Home / 55,926-77,178.42-30,776.04

Finding the Fourth Proportional to 55,926, 77,178.42 and 30,776.04

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Solution

The fourth proportional to 55,926, 77,178.42 and 30,776.04 is: 42,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,926 : 77,178.42 = 30,776.04 : x
  2. Step 2: Convert to fraction form
    55,926/77,178.42 = 30,776.04/x
  3. Step 3: Cross multiply
    55,926x = 77,178.42 × 30,776.04
  4. Step 4: Simplify right side
    55,926x = 2,375,246,141.06
  5. Step 5: Solve for x
    x = 2,375,246,141.06/55,926
  6. Step 6: Final answer
    x = 42,471.23

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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.