Home / 39,427.95-54,410.61-25,280.79

Finding the Fourth Proportional to 39,427.95, 54,410.61 and 25,280.79

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Solution

The fourth proportional to 39,427.95, 54,410.61 and 25,280.79 is: 34,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.95 : 54,410.61 = 25,280.79 : x
  2. Step 2: Convert to fraction form
    39,427.95/54,410.61 = 25,280.79/x
  3. Step 3: Cross multiply
    39,427.95x = 54,410.61 × 25,280.79
  4. Step 4: Simplify right side
    39,427.95x = 1,375,542,933.13
  5. Step 5: Solve for x
    x = 1,375,542,933.13/39,427.95
  6. Step 6: Final answer
    x = 34,887.51

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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.