Home / 40,394.73-60,604.47-20,687.13

Finding the Fourth Proportional to 40,394.73, 60,604.47 and 20,687.13

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Solution

The fourth proportional to 40,394.73, 60,604.47 and 20,687.13 is: 31,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.73 : 60,604.47 = 20,687.13 : x
  2. Step 2: Convert to fraction form
    40,394.73/60,604.47 = 20,687.13/x
  3. Step 3: Cross multiply
    40,394.73x = 60,604.47 × 20,687.13
  4. Step 4: Simplify right side
    40,394.73x = 1,253,732,549.47
  5. Step 5: Solve for x
    x = 1,253,732,549.47/40,394.73
  6. Step 6: Final answer
    x = 31,037.03

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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.