Home / 19,812.42-29,512.17-18,760.59

Finding the Fourth Proportional to 19,812.42, 29,512.17 and 18,760.59

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Solution

The fourth proportional to 19,812.42, 29,512.17 and 18,760.59 is: 27,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.42 : 29,512.17 = 18,760.59 : x
  2. Step 2: Convert to fraction form
    19,812.42/29,512.17 = 18,760.59/x
  3. Step 3: Cross multiply
    19,812.42x = 29,512.17 × 18,760.59
  4. Step 4: Simplify right side
    19,812.42x = 553,665,480.02
  5. Step 5: Solve for x
    x = 553,665,480.02/19,812.42
  6. Step 6: Final answer
    x = 27,945.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.