Home / 38,990.22-58,491.47-16,809.85

Finding the Fourth Proportional to 38,990.22, 58,491.47 and 16,809.85

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Solution

The fourth proportional to 38,990.22, 58,491.47 and 16,809.85 is: 25,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,990.22 : 58,491.47 = 16,809.85 : x
  2. Step 2: Convert to fraction form
    38,990.22/58,491.47 = 16,809.85/x
  3. Step 3: Cross multiply
    38,990.22x = 58,491.47 × 16,809.85
  4. Step 4: Simplify right side
    38,990.22x = 983,232,836.98
  5. Step 5: Solve for x
    x = 983,232,836.98/38,990.22
  6. Step 6: Final answer
    x = 25,217.42

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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.