Home / 36,971.28-51,023.88-20,206.80

Finding the Fourth Proportional to 36,971.28, 51,023.88 and 20,206.80

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Solution

The fourth proportional to 36,971.28, 51,023.88 and 20,206.80 is: 27,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.28 : 51,023.88 = 20,206.80 : x
  2. Step 2: Convert to fraction form
    36,971.28/51,023.88 = 20,206.80/x
  3. Step 3: Cross multiply
    36,971.28x = 51,023.88 × 20,206.80
  4. Step 4: Simplify right side
    36,971.28x = 1,031,029,338.38
  5. Step 5: Solve for x
    x = 1,031,029,338.38/36,971.28
  6. Step 6: Final answer
    x = 27,887.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.