Home / 84,597.10-126,876.21-25,431.46

Finding the Fourth Proportional to 84,597.10, 126,876.21 and 25,431.46

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Solution

The fourth proportional to 84,597.10, 126,876.21 and 25,431.46 is: 38,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,597.10 : 126,876.21 = 25,431.46 : x
  2. Step 2: Convert to fraction form
    84,597.10/126,876.21 = 25,431.46/x
  3. Step 3: Cross multiply
    84,597.10x = 126,876.21 × 25,431.46
  4. Step 4: Simplify right side
    84,597.10x = 3,226,647,259.57
  5. Step 5: Solve for x
    x = 3,226,647,259.57/84,597.10
  6. Step 6: Final answer
    x = 38,141.35

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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.