Home / 30,192.14-45,273.65-12,657.26

Finding the Fourth Proportional to 30,192.14, 45,273.65 and 12,657.26

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Solution

The fourth proportional to 30,192.14, 45,273.65 and 12,657.26 is: 18,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.14 : 45,273.65 = 12,657.26 : x
  2. Step 2: Convert to fraction form
    30,192.14/45,273.65 = 12,657.26/x
  3. Step 3: Cross multiply
    30,192.14x = 45,273.65 × 12,657.26
  4. Step 4: Simplify right side
    30,192.14x = 573,040,069.54
  5. Step 5: Solve for x
    x = 573,040,069.54/30,192.14
  6. Step 6: Final answer
    x = 18,979.78

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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.