Home / 36,288.78-54,382.41-19,657.86

Finding the Fourth Proportional to 36,288.78, 54,382.41 and 19,657.86

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Solution

The fourth proportional to 36,288.78, 54,382.41 and 19,657.86 is: 29,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.78 : 54,382.41 = 19,657.86 : x
  2. Step 2: Convert to fraction form
    36,288.78/54,382.41 = 19,657.86/x
  3. Step 3: Cross multiply
    36,288.78x = 54,382.41 × 19,657.86
  4. Step 4: Simplify right side
    36,288.78x = 1,069,041,802.24
  5. Step 5: Solve for x
    x = 1,069,041,802.24/36,288.78
  6. Step 6: Final answer
    x = 29,459.29

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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.