Home / 38,020.38-52,472.05-21,888.32

Finding the Fourth Proportional to 38,020.38, 52,472.05 and 21,888.32

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Solution

The fourth proportional to 38,020.38, 52,472.05 and 21,888.32 is: 30,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.38 : 52,472.05 = 21,888.32 : x
  2. Step 2: Convert to fraction form
    38,020.38/52,472.05 = 21,888.32/x
  3. Step 3: Cross multiply
    38,020.38x = 52,472.05 × 21,888.32
  4. Step 4: Simplify right side
    38,020.38x = 1,148,524,704.37
  5. Step 5: Solve for x
    x = 1,148,524,704.37/38,020.38
  6. Step 6: Final answer
    x = 30,208.13

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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.