Home / 43,227.29-64,848.77-21,040.65

Finding the Fourth Proportional to 43,227.29, 64,848.77 and 21,040.65

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Solution

The fourth proportional to 43,227.29, 64,848.77 and 21,040.65 is: 31,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,227.29 : 64,848.77 = 21,040.65 : x
  2. Step 2: Convert to fraction form
    43,227.29/64,848.77 = 21,040.65/x
  3. Step 3: Cross multiply
    43,227.29x = 64,848.77 × 21,040.65
  4. Step 4: Simplify right side
    43,227.29x = 1,364,460,167.30
  5. Step 5: Solve for x
    x = 1,364,460,167.30/43,227.29
  6. Step 6: Final answer
    x = 31,564.79

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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.