Home / 38,289.30-52,835.49-21,521.94

Finding the Fourth Proportional to 38,289.30, 52,835.49 and 21,521.94

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Solution

The fourth proportional to 38,289.30, 52,835.49 and 21,521.94 is: 29,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.30 : 52,835.49 = 21,521.94 : x
  2. Step 2: Convert to fraction form
    38,289.30/52,835.49 = 21,521.94/x
  3. Step 3: Cross multiply
    38,289.30x = 52,835.49 × 21,521.94
  4. Step 4: Simplify right side
    38,289.30x = 1,137,122,245.65
  5. Step 5: Solve for x
    x = 1,137,122,245.65/38,289.30
  6. Step 6: Final answer
    x = 29,698.17

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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.