Home / 55,965.66-77,230.69-30,471.58

Finding the Fourth Proportional to 55,965.66, 77,230.69 and 30,471.58

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Solution

The fourth proportional to 55,965.66, 77,230.69 and 30,471.58 is: 42,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.66 : 77,230.69 = 30,471.58 : x
  2. Step 2: Convert to fraction form
    55,965.66/77,230.69 = 30,471.58/x
  3. Step 3: Cross multiply
    55,965.66x = 77,230.69 × 30,471.58
  4. Step 4: Simplify right side
    55,965.66x = 2,353,341,148.79
  5. Step 5: Solve for x
    x = 2,353,341,148.79/55,965.66
  6. Step 6: Final answer
    x = 42,049.73

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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.