Home / 53,153.06-73,351.30-29,279.78

Finding the Fourth Proportional to 53,153.06, 73,351.30 and 29,279.78

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Solution

The fourth proportional to 53,153.06, 73,351.30 and 29,279.78 is: 40,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153.06 : 73,351.30 = 29,279.78 : x
  2. Step 2: Convert to fraction form
    53,153.06/73,351.30 = 29,279.78/x
  3. Step 3: Cross multiply
    53,153.06x = 73,351.30 × 29,279.78
  4. Step 4: Simplify right side
    53,153.06x = 2,147,709,926.71
  5. Step 5: Solve for x
    x = 2,147,709,926.71/53,153.06
  6. Step 6: Final answer
    x = 40,406.14

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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.