Home / 39,298.71-54,232.22-21,393.85

Finding the Fourth Proportional to 39,298.71, 54,232.22 and 21,393.85

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Solution

The fourth proportional to 39,298.71, 54,232.22 and 21,393.85 is: 29,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.71 : 54,232.22 = 21,393.85 : x
  2. Step 2: Convert to fraction form
    39,298.71/54,232.22 = 21,393.85/x
  3. Step 3: Cross multiply
    39,298.71x = 54,232.22 × 21,393.85
  4. Step 4: Simplify right side
    39,298.71x = 1,160,235,897.75
  5. Step 5: Solve for x
    x = 1,160,235,897.75/39,298.71
  6. Step 6: Final answer
    x = 29,523.51

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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.