Home / 31,844.67-47,767.42-13,828.75

Finding the Fourth Proportional to 31,844.67, 47,767.42 and 13,828.75

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Solution

The fourth proportional to 31,844.67, 47,767.42 and 13,828.75 is: 20,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.67 : 47,767.42 = 13,828.75 : x
  2. Step 2: Convert to fraction form
    31,844.67/47,767.42 = 13,828.75/x
  3. Step 3: Cross multiply
    31,844.67x = 47,767.42 × 13,828.75
  4. Step 4: Simplify right side
    31,844.67x = 660,563,470.49
  5. Step 5: Solve for x
    x = 660,563,470.49/31,844.67
  6. Step 6: Final answer
    x = 20,743.30

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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.