Home / 54,778.80-75,598.20-30,904.92

Finding the Fourth Proportional to 54,778.80, 75,598.20 and 30,904.92

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Solution

The fourth proportional to 54,778.80, 75,598.20 and 30,904.92 is: 42,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.80 : 75,598.20 = 30,904.92 : x
  2. Step 2: Convert to fraction form
    54,778.80/75,598.20 = 30,904.92/x
  3. Step 3: Cross multiply
    54,778.80x = 75,598.20 × 30,904.92
  4. Step 4: Simplify right side
    54,778.80x = 2,336,356,323.14
  5. Step 5: Solve for x
    x = 2,336,356,323.14/54,778.80
  6. Step 6: Final answer
    x = 42,650.74

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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.