Home / 63,431.04-95,190.24-21,878

Finding the Fourth Proportional to 63,431.04, 95,190.24 and 21,878

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Solution

The fourth proportional to 63,431.04, 95,190.24 and 21,878 is: 32,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,431.04 : 95,190.24 = 21,878 : x
  2. Step 2: Convert to fraction form
    63,431.04/95,190.24 = 21,878/x
  3. Step 3: Cross multiply
    63,431.04x = 95,190.24 × 21,878
  4. Step 4: Simplify right side
    63,431.04x = 2,082,572,070.72
  5. Step 5: Solve for x
    x = 2,082,572,070.72/63,431.04
  6. Step 6: Final answer
    x = 32,832.07

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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.