Home / 36,031.74-54,026.04-12,331.38

Finding the Fourth Proportional to 36,031.74, 54,026.04 and 12,331.38

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Solution

The fourth proportional to 36,031.74, 54,026.04 and 12,331.38 is: 18,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.74 : 54,026.04 = 12,331.38 : x
  2. Step 2: Convert to fraction form
    36,031.74/54,026.04 = 12,331.38/x
  3. Step 3: Cross multiply
    36,031.74x = 54,026.04 × 12,331.38
  4. Step 4: Simplify right side
    36,031.74x = 666,215,428.74
  5. Step 5: Solve for x
    x = 666,215,428.74/36,031.74
  6. Step 6: Final answer
    x = 18,489.68

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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.