Home / 63,214.32-87,253.12-39,326.74

Finding the Fourth Proportional to 63,214.32, 87,253.12 and 39,326.74

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Solution

The fourth proportional to 63,214.32, 87,253.12 and 39,326.74 is: 54,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,214.32 : 87,253.12 = 39,326.74 : x
  2. Step 2: Convert to fraction form
    63,214.32/87,253.12 = 39,326.74/x
  3. Step 3: Cross multiply
    63,214.32x = 87,253.12 × 39,326.74
  4. Step 4: Simplify right side
    63,214.32x = 3,431,380,764.43
  5. Step 5: Solve for x
    x = 3,431,380,764.43/63,214.32
  6. Step 6: Final answer
    x = 54,281.70

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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.