Home / 30,267.07-45,397.26-8,082.38

Finding the Fourth Proportional to 30,267.07, 45,397.26 and 8,082.38

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Solution

The fourth proportional to 30,267.07, 45,397.26 and 8,082.38 is: 12,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267.07 : 45,397.26 = 8,082.38 : x
  2. Step 2: Convert to fraction form
    30,267.07/45,397.26 = 8,082.38/x
  3. Step 3: Cross multiply
    30,267.07x = 45,397.26 × 8,082.38
  4. Step 4: Simplify right side
    30,267.07x = 366,918,019.77
  5. Step 5: Solve for x
    x = 366,918,019.77/30,267.07
  6. Step 6: Final answer
    x = 12,122.68

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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.