Home / 63,279.12-87,326.28-34,984.92

Finding the Fourth Proportional to 63,279.12, 87,326.28 and 34,984.92

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Solution

The fourth proportional to 63,279.12, 87,326.28 and 34,984.92 is: 48,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279.12 : 87,326.28 = 34,984.92 : x
  2. Step 2: Convert to fraction form
    63,279.12/87,326.28 = 34,984.92/x
  3. Step 3: Cross multiply
    63,279.12x = 87,326.28 × 34,984.92
  4. Step 4: Simplify right side
    63,279.12x = 3,055,102,919.70
  5. Step 5: Solve for x
    x = 3,055,102,919.70/63,279.12
  6. Step 6: Final answer
    x = 48,279.79

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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.