Home / 31,787.36-47,674.20-13,062.68

Finding the Fourth Proportional to 31,787.36, 47,674.20 and 13,062.68

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Solution

The fourth proportional to 31,787.36, 47,674.20 and 13,062.68 is: 19,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.36 : 47,674.20 = 13,062.68 : x
  2. Step 2: Convert to fraction form
    31,787.36/47,674.20 = 13,062.68/x
  3. Step 3: Cross multiply
    31,787.36x = 47,674.20 × 13,062.68
  4. Step 4: Simplify right side
    31,787.36x = 622,752,818.86
  5. Step 5: Solve for x
    x = 622,752,818.86/31,787.36
  6. Step 6: Final answer
    x = 19,591.21

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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.