Home / 74,151.03-111,237.39-21,553.68

Finding the Fourth Proportional to 74,151.03, 111,237.39 and 21,553.68

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Solution

The fourth proportional to 74,151.03, 111,237.39 and 21,553.68 is: 32,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.03 : 111,237.39 = 21,553.68 : x
  2. Step 2: Convert to fraction form
    74,151.03/111,237.39 = 21,553.68/x
  3. Step 3: Cross multiply
    74,151.03x = 111,237.39 × 21,553.68
  4. Step 4: Simplify right side
    74,151.03x = 2,397,575,108.10
  5. Step 5: Solve for x
    x = 2,397,575,108.10/74,151.03
  6. Step 6: Final answer
    x = 32,333.67

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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.