Home / 38,464.20-57,663.90-19,996.20

Finding the Fourth Proportional to 38,464.20, 57,663.90 and 19,996.20

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Solution

The fourth proportional to 38,464.20, 57,663.90 and 19,996.20 is: 29,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,464.20 : 57,663.90 = 19,996.20 : x
  2. Step 2: Convert to fraction form
    38,464.20/57,663.90 = 19,996.20/x
  3. Step 3: Cross multiply
    38,464.20x = 57,663.90 × 19,996.20
  4. Step 4: Simplify right side
    38,464.20x = 1,153,058,877.18
  5. Step 5: Solve for x
    x = 1,153,058,877.18/38,464.20
  6. Step 6: Final answer
    x = 29,977.46

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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.