Home / 38,132.04-57,178.56-15,939.36

Finding the Fourth Proportional to 38,132.04, 57,178.56 and 15,939.36

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Solution

The fourth proportional to 38,132.04, 57,178.56 and 15,939.36 is: 23,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.04 : 57,178.56 = 15,939.36 : x
  2. Step 2: Convert to fraction form
    38,132.04/57,178.56 = 15,939.36/x
  3. Step 3: Cross multiply
    38,132.04x = 57,178.56 × 15,939.36
  4. Step 4: Simplify right side
    38,132.04x = 911,389,652.12
  5. Step 5: Solve for x
    x = 911,389,652.12/38,132.04
  6. Step 6: Final answer
    x = 23,900.89

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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.