Home / 40,731.80-61,059.39-21,983.74

Finding the Fourth Proportional to 40,731.80, 61,059.39 and 21,983.74

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Solution

The fourth proportional to 40,731.80, 61,059.39 and 21,983.74 is: 32,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,731.80 : 61,059.39 = 21,983.74 : x
  2. Step 2: Convert to fraction form
    40,731.80/61,059.39 = 21,983.74/x
  3. Step 3: Cross multiply
    40,731.80x = 61,059.39 × 21,983.74
  4. Step 4: Simplify right side
    40,731.80x = 1,342,313,754.32
  5. Step 5: Solve for x
    x = 1,342,313,754.32/40,731.80
  6. Step 6: Final answer
    x = 32,954.93

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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.