Home / 40,280.01-60,418.18-13,986.80

Finding the Fourth Proportional to 40,280.01, 60,418.18 and 13,986.80

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Solution

The fourth proportional to 40,280.01, 60,418.18 and 13,986.80 is: 20,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.01 : 60,418.18 = 13,986.80 : x
  2. Step 2: Convert to fraction form
    40,280.01/60,418.18 = 13,986.80/x
  3. Step 3: Cross multiply
    40,280.01x = 60,418.18 × 13,986.80
  4. Step 4: Simplify right side
    40,280.01x = 845,057,000.02
  5. Step 5: Solve for x
    x = 845,057,000.02/40,280.01
  6. Step 6: Final answer
    x = 20,979.56

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1.5x scale

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.