Home / 51,211.88-70,672.68-28,552.29

Finding the Fourth Proportional to 51,211.88, 70,672.68 and 28,552.29

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Solution

The fourth proportional to 51,211.88, 70,672.68 and 28,552.29 is: 39,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.88 : 70,672.68 = 28,552.29 : x
  2. Step 2: Convert to fraction form
    51,211.88/70,672.68 = 28,552.29/x
  3. Step 3: Cross multiply
    51,211.88x = 70,672.68 × 28,552.29
  4. Step 4: Simplify right side
    51,211.88x = 2,017,866,854.44
  5. Step 5: Solve for x
    x = 2,017,866,854.44/51,211.88
  6. Step 6: Final answer
    x = 39,402.32

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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.