Home / 65,439.95-98,154.45-25,986.47

Finding the Fourth Proportional to 65,439.95, 98,154.45 and 25,986.47

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Solution

The fourth proportional to 65,439.95, 98,154.45 and 25,986.47 is: 38,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,439.95 : 98,154.45 = 25,986.47 : x
  2. Step 2: Convert to fraction form
    65,439.95/98,154.45 = 25,986.47/x
  3. Step 3: Cross multiply
    65,439.95x = 98,154.45 × 25,986.47
  4. Step 4: Simplify right side
    65,439.95x = 2,550,687,179.52
  5. Step 5: Solve for x
    x = 2,550,687,179.52/65,439.95
  6. Step 6: Final answer
    x = 38,977.53

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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.