Home / 34,490.78-47,597.46-20,151.43

Finding the Fourth Proportional to 34,490.78, 47,597.46 and 20,151.43

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Solution

The fourth proportional to 34,490.78, 47,597.46 and 20,151.43 is: 27,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,490.78 : 47,597.46 = 20,151.43 : x
  2. Step 2: Convert to fraction form
    34,490.78/47,597.46 = 20,151.43/x
  3. Step 3: Cross multiply
    34,490.78x = 47,597.46 × 20,151.43
  4. Step 4: Simplify right side
    34,490.78x = 959,156,544.62
  5. Step 5: Solve for x
    x = 959,156,544.62/34,490.78
  6. Step 6: Final answer
    x = 27,809.07

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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.