Home / 51,211.75-70,672.51-28,552.17

Finding the Fourth Proportional to 51,211.75, 70,672.51 and 28,552.17

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Solution

The fourth proportional to 51,211.75, 70,672.51 and 28,552.17 is: 39,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.75 : 70,672.51 = 28,552.17 : x
  2. Step 2: Convert to fraction form
    51,211.75/70,672.51 = 28,552.17/x
  3. Step 3: Cross multiply
    51,211.75x = 70,672.51 × 28,552.17
  4. Step 4: Simplify right side
    51,211.75x = 2,017,853,519.85
  5. Step 5: Solve for x
    x = 2,017,853,519.85/51,211.75
  6. Step 6: Final answer
    x = 39,402.16

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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.