Home / 55,758.89-76,945.19-30,264.71

Finding the Fourth Proportional to 55,758.89, 76,945.19 and 30,264.71

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Solution

The fourth proportional to 55,758.89, 76,945.19 and 30,264.71 is: 41,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.89 : 76,945.19 = 30,264.71 : x
  2. Step 2: Convert to fraction form
    55,758.89/76,945.19 = 30,264.71/x
  3. Step 3: Cross multiply
    55,758.89x = 76,945.19 × 30,264.71
  4. Step 4: Simplify right side
    55,758.89x = 2,328,723,325.20
  5. Step 5: Solve for x
    x = 2,328,723,325.20/55,758.89
  6. Step 6: Final answer
    x = 41,764.17

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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.