Home / 55,254.88-76,251.54-31,376.80

Finding the Fourth Proportional to 55,254.88, 76,251.54 and 31,376.80

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Solution

The fourth proportional to 55,254.88, 76,251.54 and 31,376.80 is: 43,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,254.88 : 76,251.54 = 31,376.80 : x
  2. Step 2: Convert to fraction form
    55,254.88/76,251.54 = 31,376.80/x
  3. Step 3: Cross multiply
    55,254.88x = 76,251.54 × 31,376.80
  4. Step 4: Simplify right side
    55,254.88x = 2,392,529,320.27
  5. Step 5: Solve for x
    x = 2,392,529,320.27/55,254.88
  6. Step 6: Final answer
    x = 43,299.87

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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.