Home / 58,627.26-87,931.17-21,180.15

Finding the Fourth Proportional to 58,627.26, 87,931.17 and 21,180.15

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Solution

The fourth proportional to 58,627.26, 87,931.17 and 21,180.15 is: 31,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,627.26 : 87,931.17 = 21,180.15 : x
  2. Step 2: Convert to fraction form
    58,627.26/87,931.17 = 21,180.15/x
  3. Step 3: Cross multiply
    58,627.26x = 87,931.17 × 21,180.15
  4. Step 4: Simplify right side
    58,627.26x = 1,862,395,370.28
  5. Step 5: Solve for x
    x = 1,862,395,370.28/58,627.26
  6. Step 6: Final answer
    x = 31,766.71

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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.