Home / 52,802.26-79,193.77-21,211.04

Finding the Fourth Proportional to 52,802.26, 79,193.77 and 21,211.04

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Solution

The fourth proportional to 52,802.26, 79,193.77 and 21,211.04 is: 31,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802.26 : 79,193.77 = 21,211.04 : x
  2. Step 2: Convert to fraction form
    52,802.26/79,193.77 = 21,211.04/x
  3. Step 3: Cross multiply
    52,802.26x = 79,193.77 × 21,211.04
  4. Step 4: Simplify right side
    52,802.26x = 1,679,782,223.22
  5. Step 5: Solve for x
    x = 1,679,782,223.22/52,802.26
  6. Step 6: Final answer
    x = 31,812.70

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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.