Home / 45,857.07-68,785.74-19,545.03

Finding the Fourth Proportional to 45,857.07, 68,785.74 and 19,545.03

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Solution

The fourth proportional to 45,857.07, 68,785.74 and 19,545.03 is: 29,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857.07 : 68,785.74 = 19,545.03 : x
  2. Step 2: Convert to fraction form
    45,857.07/68,785.74 = 19,545.03/x
  3. Step 3: Cross multiply
    45,857.07x = 68,785.74 × 19,545.03
  4. Step 4: Simplify right side
    45,857.07x = 1,344,419,351.87
  5. Step 5: Solve for x
    x = 1,344,419,351.87/45,857.07
  6. Step 6: Final answer
    x = 29,317.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.