Home / 30,007.91-45,040.11-15,227.44

Finding the Fourth Proportional to 30,007.91, 45,040.11 and 15,227.44

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Solution

The fourth proportional to 30,007.91, 45,040.11 and 15,227.44 is: 22,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.91 : 45,040.11 = 15,227.44 : x
  2. Step 2: Convert to fraction form
    30,007.91/45,040.11 = 15,227.44/x
  3. Step 3: Cross multiply
    30,007.91x = 45,040.11 × 15,227.44
  4. Step 4: Simplify right side
    30,007.91x = 685,845,460.02
  5. Step 5: Solve for x
    x = 685,845,460.02/30,007.91
  6. Step 6: Final answer
    x = 22,855.49

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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.