Home / 31,549.97-47,293.02-20,463.71

Finding the Fourth Proportional to 31,549.97, 47,293.02 and 20,463.71

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Solution

The fourth proportional to 31,549.97, 47,293.02 and 20,463.71 is: 30,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.97 : 47,293.02 = 20,463.71 : x
  2. Step 2: Convert to fraction form
    31,549.97/47,293.02 = 20,463.71/x
  3. Step 3: Cross multiply
    31,549.97x = 47,293.02 × 20,463.71
  4. Step 4: Simplify right side
    31,549.97x = 967,790,409.84
  5. Step 5: Solve for x
    x = 967,790,409.84/31,549.97
  6. Step 6: Final answer
    x = 30,674.84

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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.