Home / 55,239.17-76,230.57-31,366.34

Finding the Fourth Proportional to 55,239.17, 76,230.57 and 31,366.34

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Solution

The fourth proportional to 55,239.17, 76,230.57 and 31,366.34 is: 43,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,239.17 : 76,230.57 = 31,366.34 : x
  2. Step 2: Convert to fraction form
    55,239.17/76,230.57 = 31,366.34/x
  3. Step 3: Cross multiply
    55,239.17x = 76,230.57 × 31,366.34
  4. Step 4: Simplify right side
    55,239.17x = 2,391,073,822.91
  5. Step 5: Solve for x
    x = 2,391,073,822.91/55,239.17
  6. Step 6: Final answer
    x = 43,285.84

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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.