Home / 40,921.75-61,382.45-11,339.50

Finding the Fourth Proportional to 40,921.75, 61,382.45 and 11,339.50

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Solution

The fourth proportional to 40,921.75, 61,382.45 and 11,339.50 is: 17,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.75 : 61,382.45 = 11,339.50 : x
  2. Step 2: Convert to fraction form
    40,921.75/61,382.45 = 11,339.50/x
  3. Step 3: Cross multiply
    40,921.75x = 61,382.45 × 11,339.50
  4. Step 4: Simplify right side
    40,921.75x = 696,046,166.67
  5. Step 5: Solve for x
    x = 696,046,166.67/40,921.75
  6. Step 6: Final answer
    x = 17,009.20

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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.