Home / 54,570.78-75,306.99-30,697.62

Finding the Fourth Proportional to 54,570.78, 75,306.99 and 30,697.62

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Solution

The fourth proportional to 54,570.78, 75,306.99 and 30,697.62 is: 42,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.78 : 75,306.99 = 30,697.62 : x
  2. Step 2: Convert to fraction form
    54,570.78/75,306.99 = 30,697.62/x
  3. Step 3: Cross multiply
    54,570.78x = 75,306.99 × 30,697.62
  4. Step 4: Simplify right side
    54,570.78x = 2,311,745,362.36
  5. Step 5: Solve for x
    x = 2,311,745,362.36/54,570.78
  6. Step 6: Final answer
    x = 42,362.33

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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.