Home / 39,661.31-54,731.61-22,664.48

Finding the Fourth Proportional to 39,661.31, 54,731.61 and 22,664.48

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Solution

The fourth proportional to 39,661.31, 54,731.61 and 22,664.48 is: 31,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.31 : 54,731.61 = 22,664.48 : x
  2. Step 2: Convert to fraction form
    39,661.31/54,731.61 = 22,664.48/x
  3. Step 3: Cross multiply
    39,661.31x = 54,731.61 × 22,664.48
  4. Step 4: Simplify right side
    39,661.31x = 1,240,463,206.55
  5. Step 5: Solve for x
    x = 1,240,463,206.55/39,661.31
  6. Step 6: Final answer
    x = 31,276.40

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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.