Home / 39,766.07-54,878.38-22,775.81

Finding the Fourth Proportional to 39,766.07, 54,878.38 and 22,775.81

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Solution

The fourth proportional to 39,766.07, 54,878.38 and 22,775.81 is: 31,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766.07 : 54,878.38 = 22,775.81 : x
  2. Step 2: Convert to fraction form
    39,766.07/54,878.38 = 22,775.81/x
  3. Step 3: Cross multiply
    39,766.07x = 54,878.38 × 22,775.81
  4. Step 4: Simplify right side
    39,766.07x = 1,249,899,224.66
  5. Step 5: Solve for x
    x = 1,249,899,224.66/39,766.07
  6. Step 6: Final answer
    x = 31,431.30

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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.