Home / 36,974.40-51,024.80-20,207.68

Finding the Fourth Proportional to 36,974.40, 51,024.80 and 20,207.68

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Solution

The fourth proportional to 36,974.40, 51,024.80 and 20,207.68 is: 27,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,974.40 : 51,024.80 = 20,207.68 : x
  2. Step 2: Convert to fraction form
    36,974.40/51,024.80 = 20,207.68/x
  3. Step 3: Cross multiply
    36,974.40x = 51,024.80 × 20,207.68
  4. Step 4: Simplify right side
    36,974.40x = 1,031,092,830.46
  5. Step 5: Solve for x
    x = 1,031,092,830.46/36,974.40
  6. Step 6: Final answer
    x = 27,886.67

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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.