Home / 39,233.28-54,141.28-21,328.73

Finding the Fourth Proportional to 39,233.28, 54,141.28 and 21,328.73

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Solution

The fourth proportional to 39,233.28, 54,141.28 and 21,328.73 is: 29,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,233.28 : 54,141.28 = 21,328.73 : x
  2. Step 2: Convert to fraction form
    39,233.28/54,141.28 = 21,328.73/x
  3. Step 3: Cross multiply
    39,233.28x = 54,141.28 × 21,328.73
  4. Step 4: Simplify right side
    39,233.28x = 1,154,764,926.52
  5. Step 5: Solve for x
    x = 1,154,764,926.52/39,233.28
  6. Step 6: Final answer
    x = 29,433.30

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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.