Home / 30,072.20-41,499.03-16,642.67

Finding the Fourth Proportional to 30,072.20, 41,499.03 and 16,642.67

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Solution

The fourth proportional to 30,072.20, 41,499.03 and 16,642.67 is: 22,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.20 : 41,499.03 = 16,642.67 : x
  2. Step 2: Convert to fraction form
    30,072.20/41,499.03 = 16,642.67/x
  3. Step 3: Cross multiply
    30,072.20x = 41,499.03 × 16,642.67
  4. Step 4: Simplify right side
    30,072.20x = 690,654,516.52
  5. Step 5: Solve for x
    x = 690,654,516.52/30,072.20
  6. Step 6: Final answer
    x = 22,966.55

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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.