Home / 54,036.14-74,569.58-31,380.70

Finding the Fourth Proportional to 54,036.14, 74,569.58 and 31,380.70

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Solution

The fourth proportional to 54,036.14, 74,569.58 and 31,380.70 is: 43,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.14 : 74,569.58 = 31,380.70 : x
  2. Step 2: Convert to fraction form
    54,036.14/74,569.58 = 31,380.70/x
  3. Step 3: Cross multiply
    54,036.14x = 74,569.58 × 31,380.70
  4. Step 4: Simplify right side
    54,036.14x = 2,340,045,246.26
  5. Step 5: Solve for x
    x = 2,340,045,246.26/54,036.14
  6. Step 6: Final answer
    x = 43,305.19

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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.