Home / 31,906.01-47,880.92-11,129.51

Finding the Fourth Proportional to 31,906.01, 47,880.92 and 11,129.51

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Solution

The fourth proportional to 31,906.01, 47,880.92 and 11,129.51 is: 16,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.01 : 47,880.92 = 11,129.51 : x
  2. Step 2: Convert to fraction form
    31,906.01/47,880.92 = 11,129.51/x
  3. Step 3: Cross multiply
    31,906.01x = 47,880.92 × 11,129.51
  4. Step 4: Simplify right side
    31,906.01x = 532,891,177.95
  5. Step 5: Solve for x
    x = 532,891,177.95/31,906.01
  6. Step 6: Final answer
    x = 16,701.91

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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.