Home / 54,552.15-75,282.08-30,678.89

Finding the Fourth Proportional to 54,552.15, 75,282.08 and 30,678.89

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Solution

The fourth proportional to 54,552.15, 75,282.08 and 30,678.89 is: 42,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,552.15 : 75,282.08 = 30,678.89 : x
  2. Step 2: Convert to fraction form
    54,552.15/75,282.08 = 30,678.89/x
  3. Step 3: Cross multiply
    54,552.15x = 75,282.08 × 30,678.89
  4. Step 4: Simplify right side
    54,552.15x = 2,309,570,121.49
  5. Step 5: Solve for x
    x = 2,309,570,121.49/54,552.15
  6. Step 6: Final answer
    x = 42,336.92

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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.