Home / 39,499.33-54,476.60-28,165.20

Finding the Fourth Proportional to 39,499.33, 54,476.60 and 28,165.20

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Solution

The fourth proportional to 39,499.33, 54,476.60 and 28,165.20 is: 38,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.33 : 54,476.60 = 28,165.20 : x
  2. Step 2: Convert to fraction form
    39,499.33/54,476.60 = 28,165.20/x
  3. Step 3: Cross multiply
    39,499.33x = 54,476.60 × 28,165.20
  4. Step 4: Simplify right side
    39,499.33x = 1,534,344,193.49
  5. Step 5: Solve for x
    x = 1,534,344,193.49/39,499.33
  6. Step 6: Final answer
    x = 38,844.82

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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.