Home / 42,035.17-63,061.98-12,455.32

Finding the Fourth Proportional to 42,035.17, 63,061.98 and 12,455.32

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Solution

The fourth proportional to 42,035.17, 63,061.98 and 12,455.32 is: 18,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.17 : 63,061.98 = 12,455.32 : x
  2. Step 2: Convert to fraction form
    42,035.17/63,061.98 = 12,455.32/x
  3. Step 3: Cross multiply
    42,035.17x = 63,061.98 × 12,455.32
  4. Step 4: Simplify right side
    42,035.17x = 785,457,140.73
  5. Step 5: Solve for x
    x = 785,457,140.73/42,035.17
  6. Step 6: Final answer
    x = 18,685.71

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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.