Home / 35,223.75-48,608.78-20,328.39

Finding the Fourth Proportional to 35,223.75, 48,608.78 and 20,328.39

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Solution

The fourth proportional to 35,223.75, 48,608.78 and 20,328.39 is: 28,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,223.75 : 48,608.78 = 20,328.39 : x
  2. Step 2: Convert to fraction form
    35,223.75/48,608.78 = 20,328.39/x
  3. Step 3: Cross multiply
    35,223.75x = 48,608.78 × 20,328.39
  4. Step 4: Simplify right side
    35,223.75x = 988,138,135.62
  5. Step 5: Solve for x
    x = 988,138,135.62/35,223.75
  6. Step 6: Final answer
    x = 28,053.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.