Home / 63,520.47-87,655.77-35,225.55

Finding the Fourth Proportional to 63,520.47, 87,655.77 and 35,225.55

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Solution

The fourth proportional to 63,520.47, 87,655.77 and 35,225.55 is: 48,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,520.47 : 87,655.77 = 35,225.55 : x
  2. Step 2: Convert to fraction form
    63,520.47/87,655.77 = 35,225.55/x
  3. Step 3: Cross multiply
    63,520.47x = 87,655.77 × 35,225.55
  4. Step 4: Simplify right side
    63,520.47x = 3,087,722,708.92
  5. Step 5: Solve for x
    x = 3,087,722,708.92/63,520.47
  6. Step 6: Final answer
    x = 48,609.88

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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.