Home / 51,990.75-71,747.24-28,117.42

Finding the Fourth Proportional to 51,990.75, 71,747.24 and 28,117.42

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Solution

The fourth proportional to 51,990.75, 71,747.24 and 28,117.42 is: 38,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.75 : 71,747.24 = 28,117.42 : x
  2. Step 2: Convert to fraction form
    51,990.75/71,747.24 = 28,117.42/x
  3. Step 3: Cross multiply
    51,990.75x = 71,747.24 × 28,117.42
  4. Step 4: Simplify right side
    51,990.75x = 2,017,347,171.85
  5. Step 5: Solve for x
    x = 2,017,347,171.85/51,990.75
  6. Step 6: Final answer
    x = 38,802.04

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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.