Home / 39,349.10-54,300.18-21,443.73

Finding the Fourth Proportional to 39,349.10, 54,300.18 and 21,443.73

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Solution

The fourth proportional to 39,349.10, 54,300.18 and 21,443.73 is: 29,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.10 : 54,300.18 = 21,443.73 : x
  2. Step 2: Convert to fraction form
    39,349.10/54,300.18 = 21,443.73/x
  3. Step 3: Cross multiply
    39,349.10x = 54,300.18 × 21,443.73
  4. Step 4: Simplify right side
    39,349.10x = 1,164,398,275.66
  5. Step 5: Solve for x
    x = 1,164,398,275.66/39,349.10
  6. Step 6: Final answer
    x = 29,591.48

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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.