Home / 31,851.30-43,838.76-28,049.58

Finding the Fourth Proportional to 31,851.30, 43,838.76 and 28,049.58

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Solution

The fourth proportional to 31,851.30, 43,838.76 and 28,049.58 is: 38,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.30 : 43,838.76 = 28,049.58 : x
  2. Step 2: Convert to fraction form
    31,851.30/43,838.76 = 28,049.58/x
  3. Step 3: Cross multiply
    31,851.30x = 43,838.76 × 28,049.58
  4. Step 4: Simplify right side
    31,851.30x = 1,229,658,805.72
  5. Step 5: Solve for x
    x = 1,229,658,805.72/31,851.30
  6. Step 6: Final answer
    x = 38,606.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.