Home / 38,504.42-53,135.56-21,508.94

Finding the Fourth Proportional to 38,504.42, 53,135.56 and 21,508.94

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Solution

The fourth proportional to 38,504.42, 53,135.56 and 21,508.94 is: 29,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.42 : 53,135.56 = 21,508.94 : x
  2. Step 2: Convert to fraction form
    38,504.42/53,135.56 = 21,508.94/x
  3. Step 3: Cross multiply
    38,504.42x = 53,135.56 × 21,508.94
  4. Step 4: Simplify right side
    38,504.42x = 1,142,889,571.91
  5. Step 5: Solve for x
    x = 1,142,889,571.91/38,504.42
  6. Step 6: Final answer
    x = 29,682.04

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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.