Home / 54,033.40-74,565.66-30,159.33

Finding the Fourth Proportional to 54,033.40, 74,565.66 and 30,159.33

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Solution

The fourth proportional to 54,033.40, 74,565.66 and 30,159.33 is: 41,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,033.40 : 74,565.66 = 30,159.33 : x
  2. Step 2: Convert to fraction form
    54,033.40/74,565.66 = 30,159.33/x
  3. Step 3: Cross multiply
    54,033.40x = 74,565.66 × 30,159.33
  4. Step 4: Simplify right side
    54,033.40x = 2,248,849,973.78
  5. Step 5: Solve for x
    x = 2,248,849,973.78/54,033.40
  6. Step 6: Final answer
    x = 41,619.63

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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.