Home / 35,129.04-48,479.85-20,797.10

Finding the Fourth Proportional to 35,129.04, 48,479.85 and 20,797.10

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Solution

The fourth proportional to 35,129.04, 48,479.85 and 20,797.10 is: 28,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.04 : 48,479.85 = 20,797.10 : x
  2. Step 2: Convert to fraction form
    35,129.04/48,479.85 = 20,797.10/x
  3. Step 3: Cross multiply
    35,129.04x = 48,479.85 × 20,797.10
  4. Step 4: Simplify right side
    35,129.04x = 1,008,240,046.04
  5. Step 5: Solve for x
    x = 1,008,240,046.04/35,129.04
  6. Step 6: Final answer
    x = 28,701.04

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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.