Home / 39,331.49-54,277.54-21,426.62

Finding the Fourth Proportional to 39,331.49, 54,277.54 and 21,426.62

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Solution

The fourth proportional to 39,331.49, 54,277.54 and 21,426.62 is: 29,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331.49 : 54,277.54 = 21,426.62 : x
  2. Step 2: Convert to fraction form
    39,331.49/54,277.54 = 21,426.62/x
  3. Step 3: Cross multiply
    39,331.49x = 54,277.54 × 21,426.62
  4. Step 4: Simplify right side
    39,331.49x = 1,162,983,899.16
  5. Step 5: Solve for x
    x = 1,162,983,899.16/39,331.49
  6. Step 6: Final answer
    x = 29,568.78

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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.