Home / 64,220.28-88,624.62-38,727.96

Finding the Fourth Proportional to 64,220.28, 88,624.62 and 38,727.96

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Solution

The fourth proportional to 64,220.28, 88,624.62 and 38,727.96 is: 53,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.28 : 88,624.62 = 38,727.96 : x
  2. Step 2: Convert to fraction form
    64,220.28/88,624.62 = 38,727.96/x
  3. Step 3: Cross multiply
    64,220.28x = 88,624.62 × 38,727.96
  4. Step 4: Simplify right side
    64,220.28x = 3,432,250,738.38
  5. Step 5: Solve for x
    x = 3,432,250,738.38/64,220.28
  6. Step 6: Final answer
    x = 53,444.97

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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.