Home / 39,298.92-54,232.65-21,394.14

Finding the Fourth Proportional to 39,298.92, 54,232.65 and 21,394.14

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Solution

The fourth proportional to 39,298.92, 54,232.65 and 21,394.14 is: 29,523.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.92 : 54,232.65 = 21,394.14 : x
  2. Step 2: Convert to fraction form
    39,298.92/54,232.65 = 21,394.14/x
  3. Step 3: Cross multiply
    39,298.92x = 54,232.65 × 21,394.14
  4. Step 4: Simplify right side
    39,298.92x = 1,160,260,906.67
  5. Step 5: Solve for x
    x = 1,160,260,906.67/39,298.92
  6. Step 6: Final answer
    x = 29,523.99

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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.