Home / 36,031.74-49,722.96-20,117.67

Finding the Fourth Proportional to 36,031.74, 49,722.96 and 20,117.67

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Solution

The fourth proportional to 36,031.74, 49,722.96 and 20,117.67 is: 27,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.74 : 49,722.96 = 20,117.67 : x
  2. Step 2: Convert to fraction form
    36,031.74/49,722.96 = 20,117.67/x
  3. Step 3: Cross multiply
    36,031.74x = 49,722.96 × 20,117.67
  4. Step 4: Simplify right side
    36,031.74x = 1,000,310,100.70
  5. Step 5: Solve for x
    x = 1,000,310,100.70/36,031.74
  6. Step 6: Final answer
    x = 27,761.91

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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.