Home / 38,472.21-53,087.94-21,475.08

Finding the Fourth Proportional to 38,472.21, 53,087.94 and 21,475.08

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Solution

The fourth proportional to 38,472.21, 53,087.94 and 21,475.08 is: 29,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.21 : 53,087.94 = 21,475.08 : x
  2. Step 2: Convert to fraction form
    38,472.21/53,087.94 = 21,475.08/x
  3. Step 3: Cross multiply
    38,472.21x = 53,087.94 × 21,475.08
  4. Step 4: Simplify right side
    38,472.21x = 1,140,067,758.54
  5. Step 5: Solve for x
    x = 1,140,067,758.54/38,472.21
  6. Step 6: Final answer
    x = 29,633.54

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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.