Home / 54,552.45-75,282.83-30,678.91

Finding the Fourth Proportional to 54,552.45, 75,282.83 and 30,678.91

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Solution

The fourth proportional to 54,552.45, 75,282.83 and 30,678.91 is: 42,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,552.45 : 75,282.83 = 30,678.91 : x
  2. Step 2: Convert to fraction form
    54,552.45/75,282.83 = 30,678.91/x
  3. Step 3: Cross multiply
    54,552.45x = 75,282.83 × 30,678.91
  4. Step 4: Simplify right side
    54,552.45x = 2,309,595,166.12
  5. Step 5: Solve for x
    x = 2,309,595,166.12/54,552.45
  6. Step 6: Final answer
    x = 42,337.15

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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.