Home / 38,367.86-52,949.09-21,140.94

Finding the Fourth Proportional to 38,367.86, 52,949.09 and 21,140.94

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Solution

The fourth proportional to 38,367.86, 52,949.09 and 21,140.94 is: 29,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,367.86 : 52,949.09 = 21,140.94 : x
  2. Step 2: Convert to fraction form
    38,367.86/52,949.09 = 21,140.94/x
  3. Step 3: Cross multiply
    38,367.86x = 52,949.09 × 21,140.94
  4. Step 4: Simplify right side
    38,367.86x = 1,119,393,429.04
  5. Step 5: Solve for x
    x = 1,119,393,429.04/38,367.86
  6. Step 6: Final answer
    x = 29,175.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.