Home / 30,108.46-44,979.55-19,491.99

Finding the Fourth Proportional to 30,108.46, 44,979.55 and 19,491.99

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Solution

The fourth proportional to 30,108.46, 44,979.55 and 19,491.99 is: 29,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.46 : 44,979.55 = 19,491.99 : x
  2. Step 2: Convert to fraction form
    30,108.46/44,979.55 = 19,491.99/x
  3. Step 3: Cross multiply
    30,108.46x = 44,979.55 × 19,491.99
  4. Step 4: Simplify right side
    30,108.46x = 876,740,938.80
  5. Step 5: Solve for x
    x = 876,740,938.80/30,108.46
  6. Step 6: Final answer
    x = 29,119.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.