Home / 54,981.03-82,416.06-21,682.74

Finding the Fourth Proportional to 54,981.03, 82,416.06 and 21,682.74

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Solution

The fourth proportional to 54,981.03, 82,416.06 and 21,682.74 is: 32,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,981.03 : 82,416.06 = 21,682.74 : x
  2. Step 2: Convert to fraction form
    54,981.03/82,416.06 = 21,682.74/x
  3. Step 3: Cross multiply
    54,981.03x = 82,416.06 × 21,682.74
  4. Step 4: Simplify right side
    54,981.03x = 1,787,006,000.80
  5. Step 5: Solve for x
    x = 1,787,006,000.80/54,981.03
  6. Step 6: Final answer
    x = 32,502.23

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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.