Home / 38,808.76-58,218.06-12,512.92

Finding the Fourth Proportional to 38,808.76, 58,218.06 and 12,512.92

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Solution

The fourth proportional to 38,808.76, 58,218.06 and 12,512.92 is: 18,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,808.76 : 58,218.06 = 12,512.92 : x
  2. Step 2: Convert to fraction form
    38,808.76/58,218.06 = 12,512.92/x
  3. Step 3: Cross multiply
    38,808.76x = 58,218.06 × 12,512.92
  4. Step 4: Simplify right side
    38,808.76x = 728,477,927.34
  5. Step 5: Solve for x
    x = 728,477,927.34/38,808.76
  6. Step 6: Final answer
    x = 18,770.97

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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.