Home / 35,618.72-49,155.12-19,704.68

Finding the Fourth Proportional to 35,618.72, 49,155.12 and 19,704.68

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Solution

The fourth proportional to 35,618.72, 49,155.12 and 19,704.68 is: 27,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.72 : 49,155.12 = 19,704.68 : x
  2. Step 2: Convert to fraction form
    35,618.72/49,155.12 = 19,704.68/x
  3. Step 3: Cross multiply
    35,618.72x = 49,155.12 × 19,704.68
  4. Step 4: Simplify right side
    35,618.72x = 968,585,909.96
  5. Step 5: Solve for x
    x = 968,585,909.96/35,618.72
  6. Step 6: Final answer
    x = 27,193.17

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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.