Home / 53,020.11-73,169.16-28,822.71

Finding the Fourth Proportional to 53,020.11, 73,169.16 and 28,822.71

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Solution

The fourth proportional to 53,020.11, 73,169.16 and 28,822.71 is: 39,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.11 : 73,169.16 = 28,822.71 : x
  2. Step 2: Convert to fraction form
    53,020.11/73,169.16 = 28,822.71/x
  3. Step 3: Cross multiply
    53,020.11x = 73,169.16 × 28,822.71
  4. Step 4: Simplify right side
    53,020.11x = 2,108,933,479.62
  5. Step 5: Solve for x
    x = 2,108,933,479.62/53,020.11
  6. Step 6: Final answer
    x = 39,776.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.