Home / 63,508.12-87,639.90-35,213.56

Finding the Fourth Proportional to 63,508.12, 87,639.90 and 35,213.56

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Solution

The fourth proportional to 63,508.12, 87,639.90 and 35,213.56 is: 48,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,508.12 : 87,639.90 = 35,213.56 : x
  2. Step 2: Convert to fraction form
    63,508.12/87,639.90 = 35,213.56/x
  3. Step 3: Cross multiply
    63,508.12x = 87,639.90 × 35,213.56
  4. Step 4: Simplify right side
    63,508.12x = 3,086,112,877.04
  5. Step 5: Solve for x
    x = 3,086,112,877.04/63,508.12
  6. Step 6: Final answer
    x = 48,593.99

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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.