Home / 38,499.33-57,767.45-18,767.13

Finding the Fourth Proportional to 38,499.33, 57,767.45 and 18,767.13

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Solution

The fourth proportional to 38,499.33, 57,767.45 and 18,767.13 is: 28,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499.33 : 57,767.45 = 18,767.13 : x
  2. Step 2: Convert to fraction form
    38,499.33/57,767.45 = 18,767.13/x
  3. Step 3: Cross multiply
    38,499.33x = 57,767.45 × 18,767.13
  4. Step 4: Simplify right side
    38,499.33x = 1,084,128,933.45
  5. Step 5: Solve for x
    x = 1,084,128,933.45/38,499.33
  6. Step 6: Final answer
    x = 28,159.68

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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.