Home / 38,921.67-58,399.80-18,922.23

Finding the Fourth Proportional to 38,921.67, 58,399.80 and 18,922.23

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Solution

The fourth proportional to 38,921.67, 58,399.80 and 18,922.23 is: 28,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.67 : 58,399.80 = 18,922.23 : x
  2. Step 2: Convert to fraction form
    38,921.67/58,399.80 = 18,922.23/x
  3. Step 3: Cross multiply
    38,921.67x = 58,399.80 × 18,922.23
  4. Step 4: Simplify right side
    38,921.67x = 1,105,054,447.55
  5. Step 5: Solve for x
    x = 1,105,054,447.55/38,921.67
  6. Step 6: Final answer
    x = 28,391.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.