Home / 54,626.65-81,939.97-19,590.91

Finding the Fourth Proportional to 54,626.65, 81,939.97 and 19,590.91

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Solution

The fourth proportional to 54,626.65, 81,939.97 and 19,590.91 is: 29,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,626.65 : 81,939.97 = 19,590.91 : x
  2. Step 2: Convert to fraction form
    54,626.65/81,939.97 = 19,590.91/x
  3. Step 3: Cross multiply
    54,626.65x = 81,939.97 × 19,590.91
  4. Step 4: Simplify right side
    54,626.65x = 1,605,278,070.02
  5. Step 5: Solve for x
    x = 1,605,278,070.02/54,626.65
  6. Step 6: Final answer
    x = 29,386.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.