Home / 38,889.69-58,346.79-12,234.60

Finding the Fourth Proportional to 38,889.69, 58,346.79 and 12,234.60

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Solution

The fourth proportional to 38,889.69, 58,346.79 and 12,234.60 is: 18,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.69 : 58,346.79 = 12,234.60 : x
  2. Step 2: Convert to fraction form
    38,889.69/58,346.79 = 12,234.60/x
  3. Step 3: Cross multiply
    38,889.69x = 58,346.79 × 12,234.60
  4. Step 4: Simplify right side
    38,889.69x = 713,849,636.93
  5. Step 5: Solve for x
    x = 713,849,636.93/38,889.69
  6. Step 6: Final answer
    x = 18,355.76

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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.