Home / 42,432.36-63,632.10-14,344.92

Finding the Fourth Proportional to 42,432.36, 63,632.10 and 14,344.92

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Solution

The fourth proportional to 42,432.36, 63,632.10 and 14,344.92 is: 21,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.36 : 63,632.10 = 14,344.92 : x
  2. Step 2: Convert to fraction form
    42,432.36/63,632.10 = 14,344.92/x
  3. Step 3: Cross multiply
    42,432.36x = 63,632.10 × 14,344.92
  4. Step 4: Simplify right side
    42,432.36x = 912,797,383.93
  5. Step 5: Solve for x
    x = 912,797,383.93/42,432.36
  6. Step 6: Final answer
    x = 21,511.82

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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.