Home / 54,013.68-74,554.52-31,357.76

Finding the Fourth Proportional to 54,013.68, 74,554.52 and 31,357.76

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Solution

The fourth proportional to 54,013.68, 74,554.52 and 31,357.76 is: 43,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.68 : 74,554.52 = 31,357.76 : x
  2. Step 2: Convert to fraction form
    54,013.68/74,554.52 = 31,357.76/x
  3. Step 3: Cross multiply
    54,013.68x = 74,554.52 × 31,357.76
  4. Step 4: Simplify right side
    54,013.68x = 2,337,862,745.08
  5. Step 5: Solve for x
    x = 2,337,862,745.08/54,013.68
  6. Step 6: Final answer
    x = 43,282.79

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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.