Home / 20,737.50-31,049.55-14,503.74

Finding the Fourth Proportional to 20,737.50, 31,049.55 and 14,503.74

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Solution

The fourth proportional to 20,737.50, 31,049.55 and 14,503.74 is: 21,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.50 : 31,049.55 = 14,503.74 : x
  2. Step 2: Convert to fraction form
    20,737.50/31,049.55 = 14,503.74/x
  3. Step 3: Cross multiply
    20,737.50x = 31,049.55 × 14,503.74
  4. Step 4: Simplify right side
    20,737.50x = 450,334,600.32
  5. Step 5: Solve for x
    x = 450,334,600.32/20,737.50
  6. Step 6: Final answer
    x = 21,715.95

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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.