Home / 39,040,286.72-53,875,594.60-21,639,246.26

Finding the Fourth Proportional to 39,040,286.72, 53,875,594.60 and 21,639,246.26

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Solution

The fourth proportional to 39,040,286.72, 53,875,594.60 and 21,639,246.26 is: 29,862,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040,286.72 : 53,875,594.60 = 21,639,246.26 : x
  2. Step 2: Convert to fraction form
    39,040,286.72/53,875,594.60 = 21,639,246.26/x
  3. Step 3: Cross multiply
    39,040,286.72x = 53,875,594.60 × 21,639,246.26
  4. Step 4: Simplify right side
    39,040,286.72x = 1,165,827,258,629,850
  5. Step 5: Solve for x
    x = 1,165,827,258,629,850/39,040,286.72
  6. Step 6: Final answer
    x = 29,862,159.24

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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.