Home / 63,719.15-87,899.29-38,213.26

Finding the Fourth Proportional to 63,719.15, 87,899.29 and 38,213.26

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Solution

The fourth proportional to 63,719.15, 87,899.29 and 38,213.26 is: 52,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,719.15 : 87,899.29 = 38,213.26 : x
  2. Step 2: Convert to fraction form
    63,719.15/87,899.29 = 38,213.26/x
  3. Step 3: Cross multiply
    63,719.15x = 87,899.29 × 38,213.26
  4. Step 4: Simplify right side
    63,719.15x = 3,358,918,107.30
  5. Step 5: Solve for x
    x = 3,358,918,107.30/63,719.15
  6. Step 6: Final answer
    x = 52,714.43

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1.5x scale

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.