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Finding the Fourth Proportional to 29,032.86, 40,062.87 and 19,614.18

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Solution

The fourth proportional to 29,032.86, 40,062.87 and 19,614.18 is: 27,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,032.86 : 40,062.87 = 19,614.18 : x
  2. Step 2: Convert to fraction form
    29,032.86/40,062.87 = 19,614.18/x
  3. Step 3: Cross multiply
    29,032.86x = 40,062.87 × 19,614.18
  4. Step 4: Simplify right side
    29,032.86x = 785,800,343.50
  5. Step 5: Solve for x
    x = 785,800,343.50/29,032.86
  6. Step 6: Final answer
    x = 27,065.90

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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.