Home / 38,908.82-58,358.36-10,830.98

Finding the Fourth Proportional to 38,908.82, 58,358.36 and 10,830.98

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Solution

The fourth proportional to 38,908.82, 58,358.36 and 10,830.98 is: 16,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.82 : 58,358.36 = 10,830.98 : x
  2. Step 2: Convert to fraction form
    38,908.82/58,358.36 = 10,830.98/x
  3. Step 3: Cross multiply
    38,908.82x = 58,358.36 × 10,830.98
  4. Step 4: Simplify right side
    38,908.82x = 632,078,229.99
  5. Step 5: Solve for x
    x = 632,078,229.99/38,908.82
  6. Step 6: Final answer
    x = 16,245.11

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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.