Home / 38,637.51-57,956.26-21,097.77

Finding the Fourth Proportional to 38,637.51, 57,956.26 and 21,097.77

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Solution

The fourth proportional to 38,637.51, 57,956.26 and 21,097.77 is: 31,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,637.51 : 57,956.26 = 21,097.77 : x
  2. Step 2: Convert to fraction form
    38,637.51/57,956.26 = 21,097.77/x
  3. Step 3: Cross multiply
    38,637.51x = 57,956.26 × 21,097.77
  4. Step 4: Simplify right side
    38,637.51x = 1,222,747,843.54
  5. Step 5: Solve for x
    x = 1,222,747,843.54/38,637.51
  6. Step 6: Final answer
    x = 31,646.65

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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.