Home / 55,769.01-76,961.85-30,275.61

Finding the Fourth Proportional to 55,769.01, 76,961.85 and 30,275.61

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Solution

The fourth proportional to 55,769.01, 76,961.85 and 30,275.61 is: 41,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.01 : 76,961.85 = 30,275.61 : x
  2. Step 2: Convert to fraction form
    55,769.01/76,961.85 = 30,275.61/x
  3. Step 3: Cross multiply
    55,769.01x = 76,961.85 × 30,275.61
  4. Step 4: Simplify right side
    55,769.01x = 2,330,066,955.48
  5. Step 5: Solve for x
    x = 2,330,066,955.48/55,769.01
  6. Step 6: Final answer
    x = 41,780.68

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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.