Home / 38,211.33-52,728.52-21,443.97

Finding the Fourth Proportional to 38,211.33, 52,728.52 and 21,443.97

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Solution

The fourth proportional to 38,211.33, 52,728.52 and 21,443.97 is: 29,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.33 : 52,728.52 = 21,443.97 : x
  2. Step 2: Convert to fraction form
    38,211.33/52,728.52 = 21,443.97/x
  3. Step 3: Cross multiply
    38,211.33x = 52,728.52 × 21,443.97
  4. Step 4: Simplify right side
    38,211.33x = 1,130,708,801.02
  5. Step 5: Solve for x
    x = 1,130,708,801.02/38,211.33
  6. Step 6: Final answer
    x = 29,590.93

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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.