Home / 57,720.60-86,508.62-31,000.93

Finding the Fourth Proportional to 57,720.60, 86,508.62 and 31,000.93

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Solution

The fourth proportional to 57,720.60, 86,508.62 and 31,000.93 is: 46,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.60 : 86,508.62 = 31,000.93 : x
  2. Step 2: Convert to fraction form
    57,720.60/86,508.62 = 31,000.93/x
  3. Step 3: Cross multiply
    57,720.60x = 86,508.62 × 31,000.93
  4. Step 4: Simplify right side
    57,720.60x = 2,681,847,592.37
  5. Step 5: Solve for x
    x = 2,681,847,592.37/57,720.60
  6. Step 6: Final answer
    x = 46,462.57

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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.