Home / 54,035.96-74,585.46-31,385.13

Finding the Fourth Proportional to 54,035.96, 74,585.46 and 31,385.13

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Solution

The fourth proportional to 54,035.96, 74,585.46 and 31,385.13 is: 43,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,035.96 : 74,585.46 = 31,385.13 : x
  2. Step 2: Convert to fraction form
    54,035.96/74,585.46 = 31,385.13/x
  3. Step 3: Cross multiply
    54,035.96x = 74,585.46 × 31,385.13
  4. Step 4: Simplify right side
    54,035.96x = 2,340,874,240.52
  5. Step 5: Solve for x
    x = 2,340,874,240.52/54,035.96
  6. Step 6: Final answer
    x = 43,320.68

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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.