Home / 39,660.53-54,731.01-22,664.58

Finding the Fourth Proportional to 39,660.53, 54,731.01 and 22,664.58

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Solution

The fourth proportional to 39,660.53, 54,731.01 and 22,664.58 is: 31,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.53 : 54,731.01 = 22,664.58 : x
  2. Step 2: Convert to fraction form
    39,660.53/54,731.01 = 22,664.58/x
  3. Step 3: Cross multiply
    39,660.53x = 54,731.01 × 22,664.58
  4. Step 4: Simplify right side
    39,660.53x = 1,240,455,354.63
  5. Step 5: Solve for x
    x = 1,240,455,354.63/39,660.53
  6. Step 6: Final answer
    x = 31,276.82

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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.