Home / 38,794.66-58,217.50-21,276.78

Finding the Fourth Proportional to 38,794.66, 58,217.50 and 21,276.78

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Solution

The fourth proportional to 38,794.66, 58,217.50 and 21,276.78 is: 31,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,794.66 : 58,217.50 = 21,276.78 : x
  2. Step 2: Convert to fraction form
    38,794.66/58,217.50 = 21,276.78/x
  3. Step 3: Cross multiply
    38,794.66x = 58,217.50 × 21,276.78
  4. Step 4: Simplify right side
    38,794.66x = 1,238,680,939.65
  5. Step 5: Solve for x
    x = 1,238,680,939.65/38,794.66
  6. Step 6: Final answer
    x = 31,929.16

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1.5x scale

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.