Home / 20,110.16-30,001.95-19,021.52

Finding the Fourth Proportional to 20,110.16, 30,001.95 and 19,021.52

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Solution

The fourth proportional to 20,110.16, 30,001.95 and 19,021.52 is: 28,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.16 : 30,001.95 = 19,021.52 : x
  2. Step 2: Convert to fraction form
    20,110.16/30,001.95 = 19,021.52/x
  3. Step 3: Cross multiply
    20,110.16x = 30,001.95 × 19,021.52
  4. Step 4: Simplify right side
    20,110.16x = 570,682,691.96
  5. Step 5: Solve for x
    x = 570,682,691.96/20,110.16
  6. Step 6: Final answer
    x = 28,377.83

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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.