Home / 34,894.28-48,143.24-19,785.75

Finding the Fourth Proportional to 34,894.28, 48,143.24 and 19,785.75

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Solution

The fourth proportional to 34,894.28, 48,143.24 and 19,785.75 is: 27,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.28 : 48,143.24 = 19,785.75 : x
  2. Step 2: Convert to fraction form
    34,894.28/48,143.24 = 19,785.75/x
  3. Step 3: Cross multiply
    34,894.28x = 48,143.24 × 19,785.75
  4. Step 4: Simplify right side
    34,894.28x = 952,550,110.83
  5. Step 5: Solve for x
    x = 952,550,110.83/34,894.28
  6. Step 6: Final answer
    x = 27,298.17

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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.