Home / 55,716.68-76,887.70-30,565.96

Finding the Fourth Proportional to 55,716.68, 76,887.70 and 30,565.96

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Solution

The fourth proportional to 55,716.68, 76,887.70 and 30,565.96 is: 42,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.68 : 76,887.70 = 30,565.96 : x
  2. Step 2: Convert to fraction form
    55,716.68/76,887.70 = 30,565.96/x
  3. Step 3: Cross multiply
    55,716.68x = 76,887.70 × 30,565.96
  4. Step 4: Simplify right side
    55,716.68x = 2,350,146,362.69
  5. Step 5: Solve for x
    x = 2,350,146,362.69/55,716.68
  6. Step 6: Final answer
    x = 42,180.30

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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.