Home / 55,625.28-76,762.98-30,131.72

Finding the Fourth Proportional to 55,625.28, 76,762.98 and 30,131.72

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Solution

The fourth proportional to 55,625.28, 76,762.98 and 30,131.72 is: 41,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.28 : 76,762.98 = 30,131.72 : x
  2. Step 2: Convert to fraction form
    55,625.28/76,762.98 = 30,131.72/x
  3. Step 3: Cross multiply
    55,625.28x = 76,762.98 × 30,131.72
  4. Step 4: Simplify right side
    55,625.28x = 2,313,000,619.73
  5. Step 5: Solve for x
    x = 2,313,000,619.73/55,625.28
  6. Step 6: Final answer
    x = 41,581.82

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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.