Home / 54,036.16-74,575.52-30,171.04

Finding the Fourth Proportional to 54,036.16, 74,575.52 and 30,171.04

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Solution

The fourth proportional to 54,036.16, 74,575.52 and 30,171.04 is: 41,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.16 : 74,575.52 = 30,171.04 : x
  2. Step 2: Convert to fraction form
    54,036.16/74,575.52 = 30,171.04/x
  3. Step 3: Cross multiply
    54,036.16x = 74,575.52 × 30,171.04
  4. Step 4: Simplify right side
    54,036.16x = 2,250,020,996.94
  5. Step 5: Solve for x
    x = 2,250,020,996.94/54,036.16
  6. Step 6: Final answer
    x = 41,639.17

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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.