Home / 30,001.26-45,029.28-15,220.38

Finding the Fourth Proportional to 30,001.26, 45,029.28 and 15,220.38

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Solution

The fourth proportional to 30,001.26, 45,029.28 and 15,220.38 is: 22,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.26 : 45,029.28 = 15,220.38 : x
  2. Step 2: Convert to fraction form
    30,001.26/45,029.28 = 15,220.38/x
  3. Step 3: Cross multiply
    30,001.26x = 45,029.28 × 15,220.38
  4. Step 4: Simplify right side
    30,001.26x = 685,362,752.73
  5. Step 5: Solve for x
    x = 685,362,752.73/30,001.26
  6. Step 6: Final answer
    x = 22,844.47

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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.