Home / 36,434.40-54,660.69-28,966.20

Finding the Fourth Proportional to 36,434.40, 54,660.69 and 28,966.20

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Solution

The fourth proportional to 36,434.40, 54,660.69 and 28,966.20 is: 43,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.40 : 54,660.69 = 28,966.20 : x
  2. Step 2: Convert to fraction form
    36,434.40/54,660.69 = 28,966.20/x
  3. Step 3: Cross multiply
    36,434.40x = 54,660.69 × 28,966.20
  4. Step 4: Simplify right side
    36,434.40x = 1,583,312,478.68
  5. Step 5: Solve for x
    x = 1,583,312,478.68/36,434.40
  6. Step 6: Final answer
    x = 43,456.53

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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.