Home / 30,042.69-45,082.46-15,262.21

Finding the Fourth Proportional to 30,042.69, 45,082.46 and 15,262.21

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Solution

The fourth proportional to 30,042.69, 45,082.46 and 15,262.21 is: 22,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.69 : 45,082.46 = 15,262.21 : x
  2. Step 2: Convert to fraction form
    30,042.69/45,082.46 = 15,262.21/x
  3. Step 3: Cross multiply
    30,042.69x = 45,082.46 × 15,262.21
  4. Step 4: Simplify right side
    30,042.69x = 688,057,971.84
  5. Step 5: Solve for x
    x = 688,057,971.84/30,042.69
  6. Step 6: Final answer
    x = 22,902.68

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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.