Home / 39,262.16-54,181.22-21,357.32

Finding the Fourth Proportional to 39,262.16, 54,181.22 and 21,357.32

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Solution

The fourth proportional to 39,262.16, 54,181.22 and 21,357.32 is: 29,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,262.16 : 54,181.22 = 21,357.32 : x
  2. Step 2: Convert to fraction form
    39,262.16/54,181.22 = 21,357.32/x
  3. Step 3: Cross multiply
    39,262.16x = 54,181.22 × 21,357.32
  4. Step 4: Simplify right side
    39,262.16x = 1,157,165,275.84
  5. Step 5: Solve for x
    x = 1,157,165,275.84/39,262.16
  6. Step 6: Final answer
    x = 29,472.79

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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.