Home / 35,103.28-48,440.85-19,187.75

Finding the Fourth Proportional to 35,103.28, 48,440.85 and 19,187.75

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Solution

The fourth proportional to 35,103.28, 48,440.85 and 19,187.75 is: 26,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,103.28 : 48,440.85 = 19,187.75 : x
  2. Step 2: Convert to fraction form
    35,103.28/48,440.85 = 19,187.75/x
  3. Step 3: Cross multiply
    35,103.28x = 48,440.85 × 19,187.75
  4. Step 4: Simplify right side
    35,103.28x = 929,470,919.59
  5. Step 5: Solve for x
    x = 929,470,919.59/35,103.28
  6. Step 6: Final answer
    x = 26,478.18

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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.