Home / 29,420.23-44,130.27-12,778.12

Finding the Fourth Proportional to 29,420.23, 44,130.27 and 12,778.12

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Solution

The fourth proportional to 29,420.23, 44,130.27 and 12,778.12 is: 19,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.23 : 44,130.27 = 12,778.12 : x
  2. Step 2: Convert to fraction form
    29,420.23/44,130.27 = 12,778.12/x
  3. Step 3: Cross multiply
    29,420.23x = 44,130.27 × 12,778.12
  4. Step 4: Simplify right side
    29,420.23x = 563,901,885.69
  5. Step 5: Solve for x
    x = 563,901,885.69/29,420.23
  6. Step 6: Final answer
    x = 19,167.15

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Half scale
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Double scale
Find fourth proportional to 29,421.23, 44,131.77 and 12,779.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.