Home / 51,278.28-70,758-29,763.06

Finding the Fourth Proportional to 51,278.28, 70,758 and 29,763.06

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Solution

The fourth proportional to 51,278.28, 70,758 and 29,763.06 is: 41,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278.28 : 70,758 = 29,763.06 : x
  2. Step 2: Convert to fraction form
    51,278.28/70,758 = 29,763.06/x
  3. Step 3: Cross multiply
    51,278.28x = 70,758 × 29,763.06
  4. Step 4: Simplify right side
    51,278.28x = 2,105,974,599.48
  5. Step 5: Solve for x
    x = 2,105,974,599.48/51,278.28
  6. Step 6: Final answer
    x = 41,069.52

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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.