Home / 36,581.10-54,936.45-28,281.30

Finding the Fourth Proportional to 36,581.10, 54,936.45 and 28,281.30

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Solution

The fourth proportional to 36,581.10, 54,936.45 and 28,281.30 is: 42,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.10 : 54,936.45 = 28,281.30 : x
  2. Step 2: Convert to fraction form
    36,581.10/54,936.45 = 28,281.30/x
  3. Step 3: Cross multiply
    36,581.10x = 54,936.45 × 28,281.30
  4. Step 4: Simplify right side
    36,581.10x = 1,553,674,223.39
  5. Step 5: Solve for x
    x = 1,553,674,223.39/36,581.10
  6. Step 6: Final answer
    x = 42,472.05

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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.