Home / 53,680.88-80,496.34-19,923.38

Finding the Fourth Proportional to 53,680.88, 80,496.34 and 19,923.38

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Solution

The fourth proportional to 53,680.88, 80,496.34 and 19,923.38 is: 29,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.88 : 80,496.34 = 19,923.38 : x
  2. Step 2: Convert to fraction form
    53,680.88/80,496.34 = 19,923.38/x
  3. Step 3: Cross multiply
    53,680.88x = 80,496.34 × 19,923.38
  4. Step 4: Simplify right side
    53,680.88x = 1,603,759,321.86
  5. Step 5: Solve for x
    x = 1,603,759,321.86/53,680.88
  6. Step 6: Final answer
    x = 29,875.80

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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.