Home / 42,677.16-63,972-16,374.84

Finding the Fourth Proportional to 42,677.16, 63,972 and 16,374.84

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Solution

The fourth proportional to 42,677.16, 63,972 and 16,374.84 is: 24,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,677.16 : 63,972 = 16,374.84 : x
  2. Step 2: Convert to fraction form
    42,677.16/63,972 = 16,374.84/x
  3. Step 3: Cross multiply
    42,677.16x = 63,972 × 16,374.84
  4. Step 4: Simplify right side
    42,677.16x = 1,047,531,264.48
  5. Step 5: Solve for x
    x = 1,047,531,264.48/42,677.16
  6. Step 6: Final answer
    x = 24,545.48

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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.