Home / 54,957.76-82,381.23-21,664.93

Finding the Fourth Proportional to 54,957.76, 82,381.23 and 21,664.93

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Solution

The fourth proportional to 54,957.76, 82,381.23 and 21,664.93 is: 32,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957.76 : 82,381.23 = 21,664.93 : x
  2. Step 2: Convert to fraction form
    54,957.76/82,381.23 = 21,664.93/x
  3. Step 3: Cross multiply
    54,957.76x = 82,381.23 × 21,664.93
  4. Step 4: Simplify right side
    54,957.76x = 1,784,783,581.26
  5. Step 5: Solve for x
    x = 1,784,783,581.26/54,957.76
  6. Step 6: Final answer
    x = 32,475.55

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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.