Home / 83,597.67-125,398.43-20,418.32

Finding the Fourth Proportional to 83,597.67, 125,398.43 and 20,418.32

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Solution

The fourth proportional to 83,597.67, 125,398.43 and 20,418.32 is: 30,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,597.67 : 125,398.43 = 20,418.32 : x
  2. Step 2: Convert to fraction form
    83,597.67/125,398.43 = 20,418.32/x
  3. Step 3: Cross multiply
    83,597.67x = 125,398.43 × 20,418.32
  4. Step 4: Simplify right side
    83,597.67x = 2,560,425,271.24
  5. Step 5: Solve for x
    x = 2,560,425,271.24/83,597.67
  6. Step 6: Final answer
    x = 30,627.95

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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.