Home / 35,215.64-48,591.42-20,101.40

Finding the Fourth Proportional to 35,215.64, 48,591.42 and 20,101.40

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Solution

The fourth proportional to 35,215.64, 48,591.42 and 20,101.40 is: 27,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,215.64 : 48,591.42 = 20,101.40 : x
  2. Step 2: Convert to fraction form
    35,215.64/48,591.42 = 20,101.40/x
  3. Step 3: Cross multiply
    35,215.64x = 48,591.42 × 20,101.40
  4. Step 4: Simplify right side
    35,215.64x = 976,755,569.99
  5. Step 5: Solve for x
    x = 976,755,569.99/35,215.64
  6. Step 6: Final answer
    x = 27,736.41

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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.