Home / 60,868.20-91,312.11-18,748.27

Finding the Fourth Proportional to 60,868.20, 91,312.11 and 18,748.27

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Solution

The fourth proportional to 60,868.20, 91,312.11 and 18,748.27 is: 28,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,868.20 : 91,312.11 = 18,748.27 : x
  2. Step 2: Convert to fraction form
    60,868.20/91,312.11 = 18,748.27/x
  3. Step 3: Cross multiply
    60,868.20x = 91,312.11 × 18,748.27
  4. Step 4: Simplify right side
    60,868.20x = 1,711,944,092.55
  5. Step 5: Solve for x
    x = 1,711,944,092.55/60,868.20
  6. Step 6: Final answer
    x = 28,125.43

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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.