Home / 38,322.91-57,412.03-19,614.80

Finding the Fourth Proportional to 38,322.91, 57,412.03 and 19,614.80

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Solution

The fourth proportional to 38,322.91, 57,412.03 and 19,614.80 is: 29,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.91 : 57,412.03 = 19,614.80 : x
  2. Step 2: Convert to fraction form
    38,322.91/57,412.03 = 19,614.80/x
  3. Step 3: Cross multiply
    38,322.91x = 57,412.03 × 19,614.80
  4. Step 4: Simplify right side
    38,322.91x = 1,126,125,486.04
  5. Step 5: Solve for x
    x = 1,126,125,486.04/38,322.91
  6. Step 6: Final answer
    x = 29,385.18

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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.