Home / 31,283.01-46,886.99-21,871.71

Finding the Fourth Proportional to 31,283.01, 46,886.99 and 21,871.71

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Solution

The fourth proportional to 31,283.01, 46,886.99 and 21,871.71 is: 32,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.01 : 46,886.99 = 21,871.71 : x
  2. Step 2: Convert to fraction form
    31,283.01/46,886.99 = 21,871.71/x
  3. Step 3: Cross multiply
    31,283.01x = 46,886.99 × 21,871.71
  4. Step 4: Simplify right side
    31,283.01x = 1,025,498,538.69
  5. Step 5: Solve for x
    x = 1,025,498,538.69/31,283.01
  6. Step 6: Final answer
    x = 32,781.33

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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.