Home / 38,665.48-57,992.70-12,366.76

Finding the Fourth Proportional to 38,665.48, 57,992.70 and 12,366.76

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Solution

The fourth proportional to 38,665.48, 57,992.70 and 12,366.76 is: 18,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.48 : 57,992.70 = 12,366.76 : x
  2. Step 2: Convert to fraction form
    38,665.48/57,992.70 = 12,366.76/x
  3. Step 3: Cross multiply
    38,665.48x = 57,992.70 × 12,366.76
  4. Step 4: Simplify right side
    38,665.48x = 717,181,802.65
  5. Step 5: Solve for x
    x = 717,181,802.65/38,665.48
  6. Step 6: Final answer
    x = 18,548.37

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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.