Home / 42,454.04-63,690.60-14,372.48

Finding the Fourth Proportional to 42,454.04, 63,690.60 and 14,372.48

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Solution

The fourth proportional to 42,454.04, 63,690.60 and 14,372.48 is: 21,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,454.04 : 63,690.60 = 14,372.48 : x
  2. Step 2: Convert to fraction form
    42,454.04/63,690.60 = 14,372.48/x
  3. Step 3: Cross multiply
    42,454.04x = 63,690.60 × 14,372.48
  4. Step 4: Simplify right side
    42,454.04x = 915,391,874.69
  5. Step 5: Solve for x
    x = 915,391,874.69/42,454.04
  6. Step 6: Final answer
    x = 21,561.95

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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.