Home / 63,439.58-95,160.92-21,320.28

Finding the Fourth Proportional to 63,439.58, 95,160.92 and 21,320.28

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Solution

The fourth proportional to 63,439.58, 95,160.92 and 21,320.28 is: 31,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,439.58 : 95,160.92 = 21,320.28 : x
  2. Step 2: Convert to fraction form
    63,439.58/95,160.92 = 21,320.28/x
  3. Step 3: Cross multiply
    63,439.58x = 95,160.92 × 21,320.28
  4. Step 4: Simplify right side
    63,439.58x = 2,028,857,459.46
  5. Step 5: Solve for x
    x = 2,028,857,459.46/63,439.58
  6. Step 6: Final answer
    x = 31,980.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.