Home / 65,520.48-98,280.18-18,773.40

Finding the Fourth Proportional to 65,520.48, 98,280.18 and 18,773.40

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Solution

The fourth proportional to 65,520.48, 98,280.18 and 18,773.40 is: 28,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520.48 : 98,280.18 = 18,773.40 : x
  2. Step 2: Convert to fraction form
    65,520.48/98,280.18 = 18,773.40/x
  3. Step 3: Cross multiply
    65,520.48x = 98,280.18 × 18,773.40
  4. Step 4: Simplify right side
    65,520.48x = 1,845,053,131.21
  5. Step 5: Solve for x
    x = 1,845,053,131.21/65,520.48
  6. Step 6: Final answer
    x = 28,159.95

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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.