Home / 36,287.04-54,423.36-12,910.56

Finding the Fourth Proportional to 36,287.04, 54,423.36 and 12,910.56

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Solution

The fourth proportional to 36,287.04, 54,423.36 and 12,910.56 is: 19,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.04 : 54,423.36 = 12,910.56 : x
  2. Step 2: Convert to fraction form
    36,287.04/54,423.36 = 12,910.56/x
  3. Step 3: Cross multiply
    36,287.04x = 54,423.36 × 12,910.56
  4. Step 4: Simplify right side
    36,287.04x = 702,636,054.68
  5. Step 5: Solve for x
    x = 702,636,054.68/36,287.04
  6. Step 6: Final answer
    x = 19,363.28

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Similar ratio
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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.