Home / 36,029.70-54,044.55-12,653.10

Finding the Fourth Proportional to 36,029.70, 54,044.55 and 12,653.10

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Solution

The fourth proportional to 36,029.70, 54,044.55 and 12,653.10 is: 18,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.70 : 54,044.55 = 12,653.10 : x
  2. Step 2: Convert to fraction form
    36,029.70/54,044.55 = 12,653.10/x
  3. Step 3: Cross multiply
    36,029.70x = 54,044.55 × 12,653.10
  4. Step 4: Simplify right side
    36,029.70x = 683,831,095.61
  5. Step 5: Solve for x
    x = 683,831,095.61/36,029.70
  6. Step 6: Final answer
    x = 18,979.65

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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.