Home / 55,912.06-77,156.66-30,417.71

Finding the Fourth Proportional to 55,912.06, 77,156.66 and 30,417.71

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Solution

The fourth proportional to 55,912.06, 77,156.66 and 30,417.71 is: 41,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,912.06 : 77,156.66 = 30,417.71 : x
  2. Step 2: Convert to fraction form
    55,912.06/77,156.66 = 30,417.71/x
  3. Step 3: Cross multiply
    55,912.06x = 77,156.66 × 30,417.71
  4. Step 4: Simplify right side
    55,912.06x = 2,346,929,177.38
  5. Step 5: Solve for x
    x = 2,346,929,177.38/55,912.06
  6. Step 6: Final answer
    x = 41,975.37

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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.