Home / 35,745.13-49,334.19-19,834.70

Finding the Fourth Proportional to 35,745.13, 49,334.19 and 19,834.70

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Solution

The fourth proportional to 35,745.13, 49,334.19 and 19,834.70 is: 27,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.13 : 49,334.19 = 19,834.70 : x
  2. Step 2: Convert to fraction form
    35,745.13/49,334.19 = 19,834.70/x
  3. Step 3: Cross multiply
    35,745.13x = 49,334.19 × 19,834.70
  4. Step 4: Simplify right side
    35,745.13x = 978,529,111.42
  5. Step 5: Solve for x
    x = 978,529,111.42/35,745.13
  6. Step 6: Final answer
    x = 27,375.17

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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.