Home / 39,577.28-54,616.48-21,672.24

Finding the Fourth Proportional to 39,577.28, 54,616.48 and 21,672.24

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Solution

The fourth proportional to 39,577.28, 54,616.48 and 21,672.24 is: 29,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,577.28 : 54,616.48 = 21,672.24 : x
  2. Step 2: Convert to fraction form
    39,577.28/54,616.48 = 21,672.24/x
  3. Step 3: Cross multiply
    39,577.28x = 54,616.48 × 21,672.24
  4. Step 4: Simplify right side
    39,577.28x = 1,183,661,462.52
  5. Step 5: Solve for x
    x = 1,183,661,462.52/39,577.28
  6. Step 6: Final answer
    x = 29,907.60

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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.