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Finding the Fourth Proportional to 55,888, 77,086.40 and 37,951.86

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Solution

The fourth proportional to 55,888, 77,086.40 and 37,951.86 is: 52,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888 : 77,086.40 = 37,951.86 : x
  2. Step 2: Convert to fraction form
    55,888/77,086.40 = 37,951.86/x
  3. Step 3: Cross multiply
    55,888x = 77,086.40 × 37,951.86
  4. Step 4: Simplify right side
    55,888x = 2,925,572,260.70
  5. Step 5: Solve for x
    x = 2,925,572,260.70/55,888
  6. Step 6: Final answer
    x = 52,347.06

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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.