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Finding the Fourth Proportional to 48,577.70, 67,342.94 and 45,916.86

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Solution

The fourth proportional to 48,577.70, 67,342.94 and 45,916.86 is: 63,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,577.70 : 67,342.94 = 45,916.86 : x
  2. Step 2: Convert to fraction form
    48,577.70/67,342.94 = 45,916.86/x
  3. Step 3: Cross multiply
    48,577.70x = 67,342.94 × 45,916.86
  4. Step 4: Simplify right side
    48,577.70x = 3,092,176,347.97
  5. Step 5: Solve for x
    x = 3,092,176,347.97/48,577.70
  6. Step 6: Final answer
    x = 63,654.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.