Home / 54,048.88-74,587.68-30,174.16

Finding the Fourth Proportional to 54,048.88, 74,587.68 and 30,174.16

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Solution

The fourth proportional to 54,048.88, 74,587.68 and 30,174.16 is: 41,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,048.88 : 74,587.68 = 30,174.16 : x
  2. Step 2: Convert to fraction form
    54,048.88/74,587.68 = 30,174.16/x
  3. Step 3: Cross multiply
    54,048.88x = 74,587.68 × 30,174.16
  4. Step 4: Simplify right side
    54,048.88x = 2,250,620,590.35
  5. Step 5: Solve for x
    x = 2,250,620,590.35/54,048.88
  6. Step 6: Final answer
    x = 41,640.47

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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.