Home / 35,215.04-48,598.16-20,107.85

Finding the Fourth Proportional to 35,215.04, 48,598.16 and 20,107.85

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Solution

The fourth proportional to 35,215.04, 48,598.16 and 20,107.85 is: 27,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,215.04 : 48,598.16 = 20,107.85 : x
  2. Step 2: Convert to fraction form
    35,215.04/48,598.16 = 20,107.85/x
  3. Step 3: Cross multiply
    35,215.04x = 48,598.16 × 20,107.85
  4. Step 4: Simplify right side
    35,215.04x = 977,204,168.03
  5. Step 5: Solve for x
    x = 977,204,168.03/35,215.04
  6. Step 6: Final answer
    x = 27,749.62

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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.