Home / 39,232.24-54,139.96-21,327.84

Finding the Fourth Proportional to 39,232.24, 54,139.96 and 21,327.84

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Solution

The fourth proportional to 39,232.24, 54,139.96 and 21,327.84 is: 29,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.24 : 54,139.96 = 21,327.84 : x
  2. Step 2: Convert to fraction form
    39,232.24/54,139.96 = 21,327.84/x
  3. Step 3: Cross multiply
    39,232.24x = 54,139.96 × 21,327.84
  4. Step 4: Simplify right side
    39,232.24x = 1,154,688,404.49
  5. Step 5: Solve for x
    x = 1,154,688,404.49/39,232.24
  6. Step 6: Final answer
    x = 29,432.13

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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.