Home / 36,289.52-54,444.36-20,718.08

Finding the Fourth Proportional to 36,289.52, 54,444.36 and 20,718.08

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Solution

The fourth proportional to 36,289.52, 54,444.36 and 20,718.08 is: 31,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.52 : 54,444.36 = 20,718.08 : x
  2. Step 2: Convert to fraction form
    36,289.52/54,444.36 = 20,718.08/x
  3. Step 3: Cross multiply
    36,289.52x = 54,444.36 × 20,718.08
  4. Step 4: Simplify right side
    36,289.52x = 1,127,982,606.03
  5. Step 5: Solve for x
    x = 1,127,982,606.03/36,289.52
  6. Step 6: Final answer
    x = 31,082.87

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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.