Home / 38,923.62-53,711.55-21,927.12

Finding the Fourth Proportional to 38,923.62, 53,711.55 and 21,927.12

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Solution

The fourth proportional to 38,923.62, 53,711.55 and 21,927.12 is: 30,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.62 : 53,711.55 = 21,927.12 : x
  2. Step 2: Convert to fraction form
    38,923.62/53,711.55 = 21,927.12/x
  3. Step 3: Cross multiply
    38,923.62x = 53,711.55 × 21,927.12
  4. Step 4: Simplify right side
    38,923.62x = 1,177,739,602.24
  5. Step 5: Solve for x
    x = 1,177,739,602.24/38,923.62
  6. Step 6: Final answer
    x = 30,257.71

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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.