Home / 38,788.20-53,553.06-29,819.16

Finding the Fourth Proportional to 38,788.20, 53,553.06 and 29,819.16

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Solution

The fourth proportional to 38,788.20, 53,553.06 and 29,819.16 is: 41,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.20 : 53,553.06 = 29,819.16 : x
  2. Step 2: Convert to fraction form
    38,788.20/53,553.06 = 29,819.16/x
  3. Step 3: Cross multiply
    38,788.20x = 53,553.06 × 29,819.16
  4. Step 4: Simplify right side
    38,788.20x = 1,596,907,264.63
  5. Step 5: Solve for x
    x = 1,596,907,264.63/38,788.20
  6. Step 6: Final answer
    x = 41,169.92

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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.