Home / 51,988.89-71,744.29-29,328.06

Finding the Fourth Proportional to 51,988.89, 71,744.29 and 29,328.06

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Solution

The fourth proportional to 51,988.89, 71,744.29 and 29,328.06 is: 40,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.89 : 71,744.29 = 29,328.06 : x
  2. Step 2: Convert to fraction form
    51,988.89/71,744.29 = 29,328.06/x
  3. Step 3: Cross multiply
    51,988.89x = 71,744.29 × 29,328.06
  4. Step 4: Simplify right side
    51,988.89x = 2,104,120,841.78
  5. Step 5: Solve for x
    x = 2,104,120,841.78/51,988.89
  6. Step 6: Final answer
    x = 40,472.51

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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.