Home / 55,050.87-75,971.61-31,177.20

Finding the Fourth Proportional to 55,050.87, 75,971.61 and 31,177.20

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Solution

The fourth proportional to 55,050.87, 75,971.61 and 31,177.20 is: 43,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.87 : 75,971.61 = 31,177.20 : x
  2. Step 2: Convert to fraction form
    55,050.87/75,971.61 = 31,177.20/x
  3. Step 3: Cross multiply
    55,050.87x = 75,971.61 × 31,177.20
  4. Step 4: Simplify right side
    55,050.87x = 2,368,582,079.29
  5. Step 5: Solve for x
    x = 2,368,582,079.29/55,050.87
  6. Step 6: Final answer
    x = 43,025.33

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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.