Home / 54,338.50-74,987.33-31,693.13

Finding the Fourth Proportional to 54,338.50, 74,987.33 and 31,693.13

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Solution

The fourth proportional to 54,338.50, 74,987.33 and 31,693.13 is: 43,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.50 : 74,987.33 = 31,693.13 : x
  2. Step 2: Convert to fraction form
    54,338.50/74,987.33 = 31,693.13/x
  3. Step 3: Cross multiply
    54,338.50x = 74,987.33 × 31,693.13
  4. Step 4: Simplify right side
    54,338.50x = 2,376,583,198.04
  5. Step 5: Solve for x
    x = 2,376,583,198.04/54,338.50
  6. Step 6: Final answer
    x = 43,736.64

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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.