Home / 55,820.24-77,003.28-35,655.92

Finding the Fourth Proportional to 55,820.24, 77,003.28 and 35,655.92

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Solution

The fourth proportional to 55,820.24, 77,003.28 and 35,655.92 is: 49,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.24 : 77,003.28 = 35,655.92 : x
  2. Step 2: Convert to fraction form
    55,820.24/77,003.28 = 35,655.92/x
  3. Step 3: Cross multiply
    55,820.24x = 77,003.28 × 35,655.92
  4. Step 4: Simplify right side
    55,820.24x = 2,745,622,791.42
  5. Step 5: Solve for x
    x = 2,745,622,791.42/55,820.24
  6. Step 6: Final answer
    x = 49,186.87

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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.