Home / 39,227.52-54,134.28-21,322.56

Finding the Fourth Proportional to 39,227.52, 54,134.28 and 21,322.56

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Solution

The fourth proportional to 39,227.52, 54,134.28 and 21,322.56 is: 29,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.52 : 54,134.28 = 21,322.56 : x
  2. Step 2: Convert to fraction form
    39,227.52/54,134.28 = 21,322.56/x
  3. Step 3: Cross multiply
    39,227.52x = 54,134.28 × 21,322.56
  4. Step 4: Simplify right side
    39,227.52x = 1,154,281,433.36
  5. Step 5: Solve for x
    x = 1,154,281,433.36/39,227.52
  6. Step 6: Final answer
    x = 29,425.30

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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.