Home / 63,588.64-87,752.70-39,729.19

Finding the Fourth Proportional to 63,588.64, 87,752.70 and 39,729.19

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Solution

The fourth proportional to 63,588.64, 87,752.70 and 39,729.19 is: 54,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,588.64 : 87,752.70 = 39,729.19 : x
  2. Step 2: Convert to fraction form
    63,588.64/87,752.70 = 39,729.19/x
  3. Step 3: Cross multiply
    63,588.64x = 87,752.70 × 39,729.19
  4. Step 4: Simplify right side
    63,588.64x = 3,486,343,691.31
  5. Step 5: Solve for x
    x = 3,486,343,691.31/63,588.64
  6. Step 6: Final answer
    x = 54,826.52

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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.