Home / 31,347.96-47,034.18-13,805.46

Finding the Fourth Proportional to 31,347.96, 47,034.18 and 13,805.46

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Solution

The fourth proportional to 31,347.96, 47,034.18 and 13,805.46 is: 20,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.96 : 47,034.18 = 13,805.46 : x
  2. Step 2: Convert to fraction form
    31,347.96/47,034.18 = 13,805.46/x
  3. Step 3: Cross multiply
    31,347.96x = 47,034.18 × 13,805.46
  4. Step 4: Simplify right side
    31,347.96x = 649,328,490.62
  5. Step 5: Solve for x
    x = 649,328,490.62/31,347.96
  6. Step 6: Final answer
    x = 20,713.58

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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.