Home / 22,479.90-33,683.40-21,167.70

Finding the Fourth Proportional to 22,479.90, 33,683.40 and 21,167.70

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Solution

The fourth proportional to 22,479.90, 33,683.40 and 21,167.70 is: 31,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.90 : 33,683.40 = 21,167.70 : x
  2. Step 2: Convert to fraction form
    22,479.90/33,683.40 = 21,167.70/x
  3. Step 3: Cross multiply
    22,479.90x = 33,683.40 × 21,167.70
  4. Step 4: Simplify right side
    22,479.90x = 713,000,106.18
  5. Step 5: Solve for x
    x = 713,000,106.18/22,479.90
  6. Step 6: Final answer
    x = 31,717.23

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1.5x scale

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.