Home / 34,839.75-48,078.95-20,500.11

Finding the Fourth Proportional to 34,839.75, 48,078.95 and 20,500.11

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Solution

The fourth proportional to 34,839.75, 48,078.95 and 20,500.11 is: 28,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.75 : 48,078.95 = 20,500.11 : x
  2. Step 2: Convert to fraction form
    34,839.75/48,078.95 = 20,500.11/x
  3. Step 3: Cross multiply
    34,839.75x = 48,078.95 × 20,500.11
  4. Step 4: Simplify right side
    34,839.75x = 985,623,661.18
  5. Step 5: Solve for x
    x = 985,623,661.18/34,839.75
  6. Step 6: Final answer
    x = 28,290.20

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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.