Home / 35,726.86-49,302.43-19,810.97

Finding the Fourth Proportional to 35,726.86, 49,302.43 and 19,810.97

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Solution

The fourth proportional to 35,726.86, 49,302.43 and 19,810.97 is: 27,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,726.86 : 49,302.43 = 19,810.97 : x
  2. Step 2: Convert to fraction form
    35,726.86/49,302.43 = 19,810.97/x
  3. Step 3: Cross multiply
    35,726.86x = 49,302.43 × 19,810.97
  4. Step 4: Simplify right side
    35,726.86x = 976,728,961.66
  5. Step 5: Solve for x
    x = 976,728,961.66/35,726.86
  6. Step 6: Final answer
    x = 27,338.79

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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.