Home / 40,864.50-61,296.75-13,162.50

Finding the Fourth Proportional to 40,864.50, 61,296.75 and 13,162.50

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Solution

The fourth proportional to 40,864.50, 61,296.75 and 13,162.50 is: 19,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,864.50 : 61,296.75 = 13,162.50 : x
  2. Step 2: Convert to fraction form
    40,864.50/61,296.75 = 13,162.50/x
  3. Step 3: Cross multiply
    40,864.50x = 61,296.75 × 13,162.50
  4. Step 4: Simplify right side
    40,864.50x = 806,818,471.88
  5. Step 5: Solve for x
    x = 806,818,471.88/40,864.50
  6. Step 6: Final answer
    x = 19,743.75

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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.