Home / 42,132.70-63,199.05-10,967.95

Finding the Fourth Proportional to 42,132.70, 63,199.05 and 10,967.95

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Solution

The fourth proportional to 42,132.70, 63,199.05 and 10,967.95 is: 16,451.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.70 : 63,199.05 = 10,967.95 : x
  2. Step 2: Convert to fraction form
    42,132.70/63,199.05 = 10,967.95/x
  3. Step 3: Cross multiply
    42,132.70x = 63,199.05 × 10,967.95
  4. Step 4: Simplify right side
    42,132.70x = 693,164,020.45
  5. Step 5: Solve for x
    x = 693,164,020.45/42,132.70
  6. Step 6: Final answer
    x = 16,451.93

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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.