Home / 31,930.32-47,883.96-13,463.76

Finding the Fourth Proportional to 31,930.32, 47,883.96 and 13,463.76

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Solution

The fourth proportional to 31,930.32, 47,883.96 and 13,463.76 is: 20,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.32 : 47,883.96 = 13,463.76 : x
  2. Step 2: Convert to fraction form
    31,930.32/47,883.96 = 13,463.76/x
  3. Step 3: Cross multiply
    31,930.32x = 47,883.96 × 13,463.76
  4. Step 4: Simplify right side
    31,930.32x = 644,698,145.29
  5. Step 5: Solve for x
    x = 644,698,145.29/31,930.32
  6. Step 6: Final answer
    x = 20,190.78

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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.