Home / 38,289.22-52,839.58-21,521.86

Finding the Fourth Proportional to 38,289.22, 52,839.58 and 21,521.86

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Solution

The fourth proportional to 38,289.22, 52,839.58 and 21,521.86 is: 29,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.22 : 52,839.58 = 21,521.86 : x
  2. Step 2: Convert to fraction form
    38,289.22/52,839.58 = 21,521.86/x
  3. Step 3: Cross multiply
    38,289.22x = 52,839.58 × 21,521.86
  4. Step 4: Simplify right side
    38,289.22x = 1,137,206,043.22
  5. Step 5: Solve for x
    x = 1,137,206,043.22/38,289.22
  6. Step 6: Final answer
    x = 29,700.42

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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.