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Finding the Fourth Proportional to 57,494.79, 86,246.51 and 15,373.94

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Solution

The fourth proportional to 57,494.79, 86,246.51 and 15,373.94 is: 23,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,494.79 : 86,246.51 = 15,373.94 : x
  2. Step 2: Convert to fraction form
    57,494.79/86,246.51 = 15,373.94/x
  3. Step 3: Cross multiply
    57,494.79x = 86,246.51 × 15,373.94
  4. Step 4: Simplify right side
    57,494.79x = 1,325,948,161.85
  5. Step 5: Solve for x
    x = 1,325,948,161.85/57,494.79
  6. Step 6: Final answer
    x = 23,062.06

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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.