Home / 39,125.60-58,588.20-21,575.96

Finding the Fourth Proportional to 39,125.60, 58,588.20 and 21,575.96

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Solution

The fourth proportional to 39,125.60, 58,588.20 and 21,575.96 is: 32,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.60 : 58,588.20 = 21,575.96 : x
  2. Step 2: Convert to fraction form
    39,125.60/58,588.20 = 21,575.96/x
  3. Step 3: Cross multiply
    39,125.60x = 58,588.20 × 21,575.96
  4. Step 4: Simplify right side
    39,125.60x = 1,264,096,659.67
  5. Step 5: Solve for x
    x = 1,264,096,659.67/39,125.60
  6. Step 6: Final answer
    x = 32,308.68

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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.