Home / 39,270.18-54,191.62-21,364.73

Finding the Fourth Proportional to 39,270.18, 54,191.62 and 21,364.73

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Solution

The fourth proportional to 39,270.18, 54,191.62 and 21,364.73 is: 29,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270.18 : 54,191.62 = 21,364.73 : x
  2. Step 2: Convert to fraction form
    39,270.18/54,191.62 = 21,364.73/x
  3. Step 3: Cross multiply
    39,270.18x = 54,191.62 × 21,364.73
  4. Step 4: Simplify right side
    39,270.18x = 1,157,789,329.56
  5. Step 5: Solve for x
    x = 1,157,789,329.56/39,270.18
  6. Step 6: Final answer
    x = 29,482.66

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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.