Home / 36,031.85-54,047.77-18,490.49

Finding the Fourth Proportional to 36,031.85, 54,047.77 and 18,490.49

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Solution

The fourth proportional to 36,031.85, 54,047.77 and 18,490.49 is: 27,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.85 : 54,047.77 = 18,490.49 : x
  2. Step 2: Convert to fraction form
    36,031.85/54,047.77 = 18,490.49/x
  3. Step 3: Cross multiply
    36,031.85x = 54,047.77 × 18,490.49
  4. Step 4: Simplify right side
    36,031.85x = 999,369,434.24
  5. Step 5: Solve for x
    x = 999,369,434.24/36,031.85
  6. Step 6: Final answer
    x = 27,735.73

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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.