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Finding the Fourth Proportional to 35,874.29, 49,507.00 and 19,958.70

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Solution

The fourth proportional to 35,874.29, 49,507.00 and 19,958.70 is: 27,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,874.29 : 49,507.00 = 19,958.70 : x
  2. Step 2: Convert to fraction form
    35,874.29/49,507.00 = 19,958.70/x
  3. Step 3: Cross multiply
    35,874.29x = 49,507.00 × 19,958.70
  4. Step 4: Simplify right side
    35,874.29x = 988,095,496.65
  5. Step 5: Solve for x
    x = 988,095,496.65/35,874.29
  6. Step 6: Final answer
    x = 27,543.27

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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.