Home / 67,677.60-93,372.48-39,377.28

Finding the Fourth Proportional to 67,677.60, 93,372.48 and 39,377.28

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Solution

The fourth proportional to 67,677.60, 93,372.48 and 39,377.28 is: 54,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,677.60 : 93,372.48 = 39,377.28 : x
  2. Step 2: Convert to fraction form
    67,677.60/93,372.48 = 39,377.28/x
  3. Step 3: Cross multiply
    67,677.60x = 93,372.48 × 39,377.28
  4. Step 4: Simplify right side
    67,677.60x = 3,676,754,289.25
  5. Step 5: Solve for x
    x = 3,676,754,289.25/67,677.60
  6. Step 6: Final answer
    x = 54,327.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.