Home / 39,132.72-58,689.36-14,165.28

Finding the Fourth Proportional to 39,132.72, 58,689.36 and 14,165.28

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Solution

The fourth proportional to 39,132.72, 58,689.36 and 14,165.28 is: 21,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.72 : 58,689.36 = 14,165.28 : x
  2. Step 2: Convert to fraction form
    39,132.72/58,689.36 = 14,165.28/x
  3. Step 3: Cross multiply
    39,132.72x = 58,689.36 × 14,165.28
  4. Step 4: Simplify right side
    39,132.72x = 831,351,217.42
  5. Step 5: Solve for x
    x = 831,351,217.42/39,132.72
  6. Step 6: Final answer
    x = 21,244.40

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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.