Home / 29,216.13-40,291.80-19,140.90

Finding the Fourth Proportional to 29,216.13, 40,291.80 and 19,140.90

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Solution

The fourth proportional to 29,216.13, 40,291.80 and 19,140.90 is: 26,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.13 : 40,291.80 = 19,140.90 : x
  2. Step 2: Convert to fraction form
    29,216.13/40,291.80 = 19,140.90/x
  3. Step 3: Cross multiply
    29,216.13x = 40,291.80 × 19,140.90
  4. Step 4: Simplify right side
    29,216.13x = 771,221,314.62
  5. Step 5: Solve for x
    x = 771,221,314.62/29,216.13
  6. Step 6: Final answer
    x = 26,397.11

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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.