Home / 71,182.35-98,236.28-40,971.39

Finding the Fourth Proportional to 71,182.35, 98,236.28 and 40,971.39

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Solution

The fourth proportional to 71,182.35, 98,236.28 and 40,971.39 is: 56,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,182.35 : 98,236.28 = 40,971.39 : x
  2. Step 2: Convert to fraction form
    71,182.35/98,236.28 = 40,971.39/x
  3. Step 3: Cross multiply
    71,182.35x = 98,236.28 × 40,971.39
  4. Step 4: Simplify right side
    71,182.35x = 4,024,876,735.17
  5. Step 5: Solve for x
    x = 4,024,876,735.17/71,182.35
  6. Step 6: Final answer
    x = 56,543.18

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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.