Home / 53,223.05-79,840.94-21,626.36

Finding the Fourth Proportional to 53,223.05, 79,840.94 and 21,626.36

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Solution

The fourth proportional to 53,223.05, 79,840.94 and 21,626.36 is: 32,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.05 : 79,840.94 = 21,626.36 : x
  2. Step 2: Convert to fraction form
    53,223.05/79,840.94 = 21,626.36/x
  3. Step 3: Cross multiply
    53,223.05x = 79,840.94 × 21,626.36
  4. Step 4: Simplify right side
    53,223.05x = 1,726,668,911.18
  5. Step 5: Solve for x
    x = 1,726,668,911.18/53,223.05
  6. Step 6: Final answer
    x = 32,442.13

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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.