Home / 40,143.40-60,218.02-13,847.80

Finding the Fourth Proportional to 40,143.40, 60,218.02 and 13,847.80

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Solution

The fourth proportional to 40,143.40, 60,218.02 and 13,847.80 is: 20,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.40 : 60,218.02 = 13,847.80 : x
  2. Step 2: Convert to fraction form
    40,143.40/60,218.02 = 13,847.80/x
  3. Step 3: Cross multiply
    40,143.40x = 60,218.02 × 13,847.80
  4. Step 4: Simplify right side
    40,143.40x = 833,887,097.36
  5. Step 5: Solve for x
    x = 833,887,097.36/40,143.40
  6. Step 6: Final answer
    x = 20,772.71

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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.