Home / 54,037.45-74,569.30-30,163.65

Finding the Fourth Proportional to 54,037.45, 74,569.30 and 30,163.65

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Solution

The fourth proportional to 54,037.45, 74,569.30 and 30,163.65 is: 41,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,037.45 : 74,569.30 = 30,163.65 : x
  2. Step 2: Convert to fraction form
    54,037.45/74,569.30 = 30,163.65/x
  3. Step 3: Cross multiply
    54,037.45x = 74,569.30 × 30,163.65
  4. Step 4: Simplify right side
    54,037.45x = 2,249,282,265.95
  5. Step 5: Solve for x
    x = 2,249,282,265.95/54,037.45
  6. Step 6: Final answer
    x = 41,624.51

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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.