Home / 55,371.50-76,415.16-31,180.82

Finding the Fourth Proportional to 55,371.50, 76,415.16 and 31,180.82

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Solution

The fourth proportional to 55,371.50, 76,415.16 and 31,180.82 is: 43,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.50 : 76,415.16 = 31,180.82 : x
  2. Step 2: Convert to fraction form
    55,371.50/76,415.16 = 31,180.82/x
  3. Step 3: Cross multiply
    55,371.50x = 76,415.16 × 31,180.82
  4. Step 4: Simplify right side
    55,371.50x = 2,382,687,084.08
  5. Step 5: Solve for x
    x = 2,382,687,084.08/55,371.50
  6. Step 6: Final answer
    x = 43,030.93

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1.5x scale

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.