Home / 36,111.47-54,156.17-12,732.44

Finding the Fourth Proportional to 36,111.47, 54,156.17 and 12,732.44

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Solution

The fourth proportional to 36,111.47, 54,156.17 and 12,732.44 is: 19,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.47 : 54,156.17 = 12,732.44 : x
  2. Step 2: Convert to fraction form
    36,111.47/54,156.17 = 12,732.44/x
  3. Step 3: Cross multiply
    36,111.47x = 54,156.17 × 12,732.44
  4. Step 4: Simplify right side
    36,111.47x = 689,540,121.49
  5. Step 5: Solve for x
    x = 689,540,121.49/36,111.47
  6. Step 6: Final answer
    x = 19,094.77

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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.