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Finding the Fourth Proportional to 38,312.53, 57,468.80 and 10,610.53

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Solution

The fourth proportional to 38,312.53, 57,468.80 and 10,610.53 is: 15,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.53 : 57,468.80 = 10,610.53 : x
  2. Step 2: Convert to fraction form
    38,312.53/57,468.80 = 10,610.53/x
  3. Step 3: Cross multiply
    38,312.53x = 57,468.80 × 10,610.53
  4. Step 4: Simplify right side
    38,312.53x = 609,774,426.46
  5. Step 5: Solve for x
    x = 609,774,426.46/38,312.53
  6. Step 6: Final answer
    x = 15,915.80

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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.