Home / 61,236.81-84,508.11-34,380.05

Finding the Fourth Proportional to 61,236.81, 84,508.11 and 34,380.05

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Solution

The fourth proportional to 61,236.81, 84,508.11 and 34,380.05 is: 47,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236.81 : 84,508.11 = 34,380.05 : x
  2. Step 2: Convert to fraction form
    61,236.81/84,508.11 = 34,380.05/x
  3. Step 3: Cross multiply
    61,236.81x = 84,508.11 × 34,380.05
  4. Step 4: Simplify right side
    61,236.81x = 2,905,392,624.66
  5. Step 5: Solve for x
    x = 2,905,392,624.66/61,236.81
  6. Step 6: Final answer
    x = 47,445.20

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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.