Home / 51,769.76-71,456.48-30,278.08

Finding the Fourth Proportional to 51,769.76, 71,456.48 and 30,278.08

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Solution

The fourth proportional to 51,769.76, 71,456.48 and 30,278.08 is: 41,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.76 : 71,456.48 = 30,278.08 : x
  2. Step 2: Convert to fraction form
    51,769.76/71,456.48 = 30,278.08/x
  3. Step 3: Cross multiply
    51,769.76x = 71,456.48 × 30,278.08
  4. Step 4: Simplify right side
    51,769.76x = 2,163,565,017.96
  5. Step 5: Solve for x
    x = 2,163,565,017.96/51,769.76
  6. Step 6: Final answer
    x = 41,792.06

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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.