Home / 29,985.23-41,380.16-16,555.69

Finding the Fourth Proportional to 29,985.23, 41,380.16 and 16,555.69

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Solution

The fourth proportional to 29,985.23, 41,380.16 and 16,555.69 is: 22,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.23 : 41,380.16 = 16,555.69 : x
  2. Step 2: Convert to fraction form
    29,985.23/41,380.16 = 16,555.69/x
  3. Step 3: Cross multiply
    29,985.23x = 41,380.16 × 16,555.69
  4. Step 4: Simplify right side
    29,985.23x = 685,077,070.06
  5. Step 5: Solve for x
    x = 685,077,070.06/29,985.23
  6. Step 6: Final answer
    x = 22,847.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.