Home / 55,449.12-76,518.66-30,298.80

Finding the Fourth Proportional to 55,449.12, 76,518.66 and 30,298.80

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Solution

The fourth proportional to 55,449.12, 76,518.66 and 30,298.80 is: 41,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.12 : 76,518.66 = 30,298.80 : x
  2. Step 2: Convert to fraction form
    55,449.12/76,518.66 = 30,298.80/x
  3. Step 3: Cross multiply
    55,449.12x = 76,518.66 × 30,298.80
  4. Step 4: Simplify right side
    55,449.12x = 2,318,423,575.61
  5. Step 5: Solve for x
    x = 2,318,423,575.61/55,449.12
  6. Step 6: Final answer
    x = 41,811.73

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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.