Home / 54,976.70-75,868.18-31,108.37

Finding the Fourth Proportional to 54,976.70, 75,868.18 and 31,108.37

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Solution

The fourth proportional to 54,976.70, 75,868.18 and 31,108.37 is: 42,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,976.70 : 75,868.18 = 31,108.37 : x
  2. Step 2: Convert to fraction form
    54,976.70/75,868.18 = 31,108.37/x
  3. Step 3: Cross multiply
    54,976.70x = 75,868.18 × 31,108.37
  4. Step 4: Simplify right side
    54,976.70x = 2,360,134,957.55
  5. Step 5: Solve for x
    x = 2,360,134,957.55/54,976.70
  6. Step 6: Final answer
    x = 42,929.73

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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.