Home / 38,976.23-58,473-18,188.39

Finding the Fourth Proportional to 38,976.23, 58,473 and 18,188.39

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Solution

The fourth proportional to 38,976.23, 58,473 and 18,188.39 is: 27,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.23 : 58,473 = 18,188.39 : x
  2. Step 2: Convert to fraction form
    38,976.23/58,473 = 18,188.39/x
  3. Step 3: Cross multiply
    38,976.23x = 58,473 × 18,188.39
  4. Step 4: Simplify right side
    38,976.23x = 1,063,529,728.47
  5. Step 5: Solve for x
    x = 1,063,529,728.47/38,976.23
  6. Step 6: Final answer
    x = 27,286.62

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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.