Home / 57,632.72-86,293.20-29,872.40

Finding the Fourth Proportional to 57,632.72, 86,293.20 and 29,872.40

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Solution

The fourth proportional to 57,632.72, 86,293.20 and 29,872.40 is: 44,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.72 : 86,293.20 = 29,872.40 : x
  2. Step 2: Convert to fraction form
    57,632.72/86,293.20 = 29,872.40/x
  3. Step 3: Cross multiply
    57,632.72x = 86,293.20 × 29,872.40
  4. Step 4: Simplify right side
    57,632.72x = 2,577,784,987.68
  5. Step 5: Solve for x
    x = 2,577,784,987.68/57,632.72
  6. Step 6: Final answer
    x = 44,727.80

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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.