Home / 38,223.09-52,750.58-21,228.21

Finding the Fourth Proportional to 38,223.09, 52,750.58 and 21,228.21

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Solution

The fourth proportional to 38,223.09, 52,750.58 and 21,228.21 is: 29,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,223.09 : 52,750.58 = 21,228.21 : x
  2. Step 2: Convert to fraction form
    38,223.09/52,750.58 = 21,228.21/x
  3. Step 3: Cross multiply
    38,223.09x = 52,750.58 × 21,228.21
  4. Step 4: Simplify right side
    38,223.09x = 1,119,800,283.72
  5. Step 5: Solve for x
    x = 1,119,800,283.72/38,223.09
  6. Step 6: Final answer
    x = 29,296.44

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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.