Home / 35,885.03-49,520.99-19,969.21

Finding the Fourth Proportional to 35,885.03, 49,520.99 and 19,969.21

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Solution

The fourth proportional to 35,885.03, 49,520.99 and 19,969.21 is: 27,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.03 : 49,520.99 = 19,969.21 : x
  2. Step 2: Convert to fraction form
    35,885.03/49,520.99 = 19,969.21/x
  3. Step 3: Cross multiply
    35,885.03x = 49,520.99 × 19,969.21
  4. Step 4: Simplify right side
    35,885.03x = 988,894,701.27
  5. Step 5: Solve for x
    x = 988,894,701.27/35,885.03
  6. Step 6: Final answer
    x = 27,557.30

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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.