Home / 39,521.18-54,514.28-27,580.16

Finding the Fourth Proportional to 39,521.18, 54,514.28 and 27,580.16

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Solution

The fourth proportional to 39,521.18, 54,514.28 and 27,580.16 is: 38,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521.18 : 54,514.28 = 27,580.16 : x
  2. Step 2: Convert to fraction form
    39,521.18/54,514.28 = 27,580.16/x
  3. Step 3: Cross multiply
    39,521.18x = 54,514.28 × 27,580.16
  4. Step 4: Simplify right side
    39,521.18x = 1,503,512,564.68
  5. Step 5: Solve for x
    x = 1,503,512,564.68/39,521.18
  6. Step 6: Final answer
    x = 38,043.21

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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.