Home / 42,815.66-64,262.45-22,842.09

Finding the Fourth Proportional to 42,815.66, 64,262.45 and 22,842.09

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Solution

The fourth proportional to 42,815.66, 64,262.45 and 22,842.09 is: 34,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,815.66 : 64,262.45 = 22,842.09 : x
  2. Step 2: Convert to fraction form
    42,815.66/64,262.45 = 22,842.09/x
  3. Step 3: Cross multiply
    42,815.66x = 64,262.45 × 22,842.09
  4. Step 4: Simplify right side
    42,815.66x = 1,467,888,601.13
  5. Step 5: Solve for x
    x = 1,467,888,601.13/42,815.66
  6. Step 6: Final answer
    x = 34,283.92

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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.