Home / 39,071,932.09-53,917,419.52-21,667,903.64

Finding the Fourth Proportional to 39,071,932.09, 53,917,419.52 and 21,667,903.64

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Solution

The fourth proportional to 39,071,932.09, 53,917,419.52 and 21,667,903.64 is: 29,900,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071,932.09 : 53,917,419.52 = 21,667,903.64 : x
  2. Step 2: Convert to fraction form
    39,071,932.09/53,917,419.52 = 21,667,903.64/x
  3. Step 3: Cross multiply
    39,071,932.09x = 53,917,419.52 × 21,667,903.64
  4. Step 4: Simplify right side
    39,071,932.09x = 1,168,277,450,676,815.25
  5. Step 5: Solve for x
    x = 1,168,277,450,676,815.25/39,071,932.09
  6. Step 6: Final answer
    x = 29,900,682.87

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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.