Home / 35,210.66-48,592.06-20,105.78

Finding the Fourth Proportional to 35,210.66, 48,592.06 and 20,105.78

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Solution

The fourth proportional to 35,210.66, 48,592.06 and 20,105.78 is: 27,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,210.66 : 48,592.06 = 20,105.78 : x
  2. Step 2: Convert to fraction form
    35,210.66/48,592.06 = 20,105.78/x
  3. Step 3: Cross multiply
    35,210.66x = 48,592.06 × 20,105.78
  4. Step 4: Simplify right side
    35,210.66x = 976,981,268.11
  5. Step 5: Solve for x
    x = 976,981,268.11/35,210.66
  6. Step 6: Final answer
    x = 27,746.75

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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.