Home / 34,859-48,105.73-18,943.45

Finding the Fourth Proportional to 34,859, 48,105.73 and 18,943.45

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Solution

The fourth proportional to 34,859, 48,105.73 and 18,943.45 is: 26,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859 : 48,105.73 = 18,943.45 : x
  2. Step 2: Convert to fraction form
    34,859/48,105.73 = 18,943.45/x
  3. Step 3: Cross multiply
    34,859x = 48,105.73 × 18,943.45
  4. Step 4: Simplify right side
    34,859x = 911,288,396.25
  5. Step 5: Solve for x
    x = 911,288,396.25/34,859
  6. Step 6: Final answer
    x = 26,142.13

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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.