Home / 42,318.77-63,478.24-10,728.82

Finding the Fourth Proportional to 42,318.77, 63,478.24 and 10,728.82

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Solution

The fourth proportional to 42,318.77, 63,478.24 and 10,728.82 is: 16,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,318.77 : 63,478.24 = 10,728.82 : x
  2. Step 2: Convert to fraction form
    42,318.77/63,478.24 = 10,728.82/x
  3. Step 3: Cross multiply
    42,318.77x = 63,478.24 × 10,728.82
  4. Step 4: Simplify right side
    42,318.77x = 681,046,637.70
  5. Step 5: Solve for x
    x = 681,046,637.70/42,318.77
  6. Step 6: Final answer
    x = 16,093.25

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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.