Home / 38,800.68-58,226.50-21,282.80

Finding the Fourth Proportional to 38,800.68, 58,226.50 and 21,282.80

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Solution

The fourth proportional to 38,800.68, 58,226.50 and 21,282.80 is: 31,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,800.68 : 58,226.50 = 21,282.80 : x
  2. Step 2: Convert to fraction form
    38,800.68/58,226.50 = 21,282.80/x
  3. Step 3: Cross multiply
    38,800.68x = 58,226.50 × 21,282.80
  4. Step 4: Simplify right side
    38,800.68x = 1,239,222,954.20
  5. Step 5: Solve for x
    x = 1,239,222,954.20/38,800.68
  6. Step 6: Final answer
    x = 31,938.18

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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.