Home / 36,478.10-50,343.78-21,168.02

Finding the Fourth Proportional to 36,478.10, 50,343.78 and 21,168.02

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Solution

The fourth proportional to 36,478.10, 50,343.78 and 21,168.02 is: 29,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.10 : 50,343.78 = 21,168.02 : x
  2. Step 2: Convert to fraction form
    36,478.10/50,343.78 = 21,168.02/x
  3. Step 3: Cross multiply
    36,478.10x = 50,343.78 × 21,168.02
  4. Step 4: Simplify right side
    36,478.10x = 1,065,678,141.92
  5. Step 5: Solve for x
    x = 1,065,678,141.92/36,478.10
  6. Step 6: Final answer
    x = 29,214.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.