Home / 61,826.40-85,321.08-34,969.20

Finding the Fourth Proportional to 61,826.40, 85,321.08 and 34,969.20

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Solution

The fourth proportional to 61,826.40, 85,321.08 and 34,969.20 is: 48,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,826.40 : 85,321.08 = 34,969.20 : x
  2. Step 2: Convert to fraction form
    61,826.40/85,321.08 = 34,969.20/x
  3. Step 3: Cross multiply
    61,826.40x = 85,321.08 × 34,969.20
  4. Step 4: Simplify right side
    61,826.40x = 2,983,609,910.74
  5. Step 5: Solve for x
    x = 2,983,609,910.74/61,826.40
  6. Step 6: Final answer
    x = 48,257.86

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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.