Home / 51,278.88-70,767.56-30,065

Finding the Fourth Proportional to 51,278.88, 70,767.56 and 30,065

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Solution

The fourth proportional to 51,278.88, 70,767.56 and 30,065 is: 41,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278.88 : 70,767.56 = 30,065 : x
  2. Step 2: Convert to fraction form
    51,278.88/70,767.56 = 30,065/x
  3. Step 3: Cross multiply
    51,278.88x = 70,767.56 × 30,065
  4. Step 4: Simplify right side
    51,278.88x = 2,127,626,691.40
  5. Step 5: Solve for x
    x = 2,127,626,691.40/51,278.88
  6. Step 6: Final answer
    x = 41,491.29

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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.