Home / 39,915.18-55,134.27-34,705.26

Finding the Fourth Proportional to 39,915.18, 55,134.27 and 34,705.26

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Solution

The fourth proportional to 39,915.18, 55,134.27 and 34,705.26 is: 47,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.18 : 55,134.27 = 34,705.26 : x
  2. Step 2: Convert to fraction form
    39,915.18/55,134.27 = 34,705.26/x
  3. Step 3: Cross multiply
    39,915.18x = 55,134.27 × 34,705.26
  4. Step 4: Simplify right side
    39,915.18x = 1,913,449,175.26
  5. Step 5: Solve for x
    x = 1,913,449,175.26/39,915.18
  6. Step 6: Final answer
    x = 47,937.88

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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.