Home / 39,660.94-54,731.09-22,664.10

Finding the Fourth Proportional to 39,660.94, 54,731.09 and 22,664.10

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Solution

The fourth proportional to 39,660.94, 54,731.09 and 22,664.10 is: 31,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.94 : 54,731.09 = 22,664.10 : x
  2. Step 2: Convert to fraction form
    39,660.94/54,731.09 = 22,664.10/x
  3. Step 3: Cross multiply
    39,660.94x = 54,731.09 × 22,664.10
  4. Step 4: Simplify right side
    39,660.94x = 1,240,430,953.53
  5. Step 5: Solve for x
    x = 1,240,430,953.53/39,660.94
  6. Step 6: Final answer
    x = 31,275.89

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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.