Home / 38,385.77-57,614.36-19,679.22

Finding the Fourth Proportional to 38,385.77, 57,614.36 and 19,679.22

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Solution

The fourth proportional to 38,385.77, 57,614.36 and 19,679.22 is: 29,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.77 : 57,614.36 = 19,679.22 : x
  2. Step 2: Convert to fraction form
    38,385.77/57,614.36 = 19,679.22/x
  3. Step 3: Cross multiply
    38,385.77x = 57,614.36 × 19,679.22
  4. Step 4: Simplify right side
    38,385.77x = 1,133,805,567.20
  5. Step 5: Solve for x
    x = 1,133,805,567.20/38,385.77
  6. Step 6: Final answer
    x = 29,537.14

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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.