Home / 39,262.66-54,181.90-21,357.81

Finding the Fourth Proportional to 39,262.66, 54,181.90 and 21,357.81

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Solution

The fourth proportional to 39,262.66, 54,181.90 and 21,357.81 is: 29,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,262.66 : 54,181.90 = 21,357.81 : x
  2. Step 2: Convert to fraction form
    39,262.66/54,181.90 = 21,357.81/x
  3. Step 3: Cross multiply
    39,262.66x = 54,181.90 × 21,357.81
  4. Step 4: Simplify right side
    39,262.66x = 1,157,206,725.64
  5. Step 5: Solve for x
    x = 1,157,206,725.64/39,262.66
  6. Step 6: Final answer
    x = 29,473.47

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1.5x scale

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.