Home / 40,427.52-60,540-25,591.68

Finding the Fourth Proportional to 40,427.52, 60,540 and 25,591.68

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Solution

The fourth proportional to 40,427.52, 60,540 and 25,591.68 is: 38,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.52 : 60,540 = 25,591.68 : x
  2. Step 2: Convert to fraction form
    40,427.52/60,540 = 25,591.68/x
  3. Step 3: Cross multiply
    40,427.52x = 60,540 × 25,591.68
  4. Step 4: Simplify right side
    40,427.52x = 1,549,320,307.20
  5. Step 5: Solve for x
    x = 1,549,320,307.20/40,427.52
  6. Step 6: Final answer
    x = 38,323.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.