Home / 35,172.78-48,542.34-20,069.18

Finding the Fourth Proportional to 35,172.78, 48,542.34 and 20,069.18

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Solution

The fourth proportional to 35,172.78, 48,542.34 and 20,069.18 is: 27,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.78 : 48,542.34 = 20,069.18 : x
  2. Step 2: Convert to fraction form
    35,172.78/48,542.34 = 20,069.18/x
  3. Step 3: Cross multiply
    35,172.78x = 48,542.34 × 20,069.18
  4. Step 4: Simplify right side
    35,172.78x = 974,204,959.08
  5. Step 5: Solve for x
    x = 974,204,959.08/35,172.78
  6. Step 6: Final answer
    x = 27,697.70

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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.