Home / 40,691.50-61,037.63-14,400.70

Finding the Fourth Proportional to 40,691.50, 61,037.63 and 14,400.70

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Solution

The fourth proportional to 40,691.50, 61,037.63 and 14,400.70 is: 21,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,691.50 : 61,037.63 = 14,400.70 : x
  2. Step 2: Convert to fraction form
    40,691.50/61,037.63 = 14,400.70/x
  3. Step 3: Cross multiply
    40,691.50x = 61,037.63 × 14,400.70
  4. Step 4: Simplify right side
    40,691.50x = 878,984,598.34
  5. Step 5: Solve for x
    x = 878,984,598.34/40,691.50
  6. Step 6: Final answer
    x = 21,601.18

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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.