Home / 39,331.30-54,278.51-22,336.30

Finding the Fourth Proportional to 39,331.30, 54,278.51 and 22,336.30

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Solution

The fourth proportional to 39,331.30, 54,278.51 and 22,336.30 is: 30,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331.30 : 54,278.51 = 22,336.30 : x
  2. Step 2: Convert to fraction form
    39,331.30/54,278.51 = 22,336.30/x
  3. Step 3: Cross multiply
    39,331.30x = 54,278.51 × 22,336.30
  4. Step 4: Simplify right side
    39,331.30x = 1,212,381,082.91
  5. Step 5: Solve for x
    x = 1,212,381,082.91/39,331.30
  6. Step 6: Final answer
    x = 30,824.84

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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.