Home / 42,791.41-64,159.78-17,848.68

Finding the Fourth Proportional to 42,791.41, 64,159.78 and 17,848.68

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Solution

The fourth proportional to 42,791.41, 64,159.78 and 17,848.68 is: 26,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,791.41 : 64,159.78 = 17,848.68 : x
  2. Step 2: Convert to fraction form
    42,791.41/64,159.78 = 17,848.68/x
  3. Step 3: Cross multiply
    42,791.41x = 64,159.78 × 17,848.68
  4. Step 4: Simplify right side
    42,791.41x = 1,145,167,382.09
  5. Step 5: Solve for x
    x = 1,145,167,382.09/42,791.41
  6. Step 6: Final answer
    x = 26,761.62

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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.