Home / 54,875.28-82,312.92-21,577.15

Finding the Fourth Proportional to 54,875.28, 82,312.92 and 21,577.15

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Solution

The fourth proportional to 54,875.28, 82,312.92 and 21,577.15 is: 32,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.28 : 82,312.92 = 21,577.15 : x
  2. Step 2: Convert to fraction form
    54,875.28/82,312.92 = 21,577.15/x
  3. Step 3: Cross multiply
    54,875.28x = 82,312.92 × 21,577.15
  4. Step 4: Simplify right side
    54,875.28x = 1,776,078,221.78
  5. Step 5: Solve for x
    x = 1,776,078,221.78/54,875.28
  6. Step 6: Final answer
    x = 32,365.73

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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.