Home / 35,618.25-49,151.70-19,701.69

Finding the Fourth Proportional to 35,618.25, 49,151.70 and 19,701.69

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Solution

The fourth proportional to 35,618.25, 49,151.70 and 19,701.69 is: 27,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.25 : 49,151.70 = 19,701.69 : x
  2. Step 2: Convert to fraction form
    35,618.25/49,151.70 = 19,701.69/x
  3. Step 3: Cross multiply
    35,618.25x = 49,151.70 × 19,701.69
  4. Step 4: Simplify right side
    35,618.25x = 968,371,556.37
  5. Step 5: Solve for x
    x = 968,371,556.37/35,618.25
  6. Step 6: Final answer
    x = 27,187.51

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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.