Home / 34,304.78-47,334.89-20,160.36

Finding the Fourth Proportional to 34,304.78, 47,334.89 and 20,160.36

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Solution

The fourth proportional to 34,304.78, 47,334.89 and 20,160.36 is: 27,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,304.78 : 47,334.89 = 20,160.36 : x
  2. Step 2: Convert to fraction form
    34,304.78/47,334.89 = 20,160.36/x
  3. Step 3: Cross multiply
    34,304.78x = 47,334.89 × 20,160.36
  4. Step 4: Simplify right side
    34,304.78x = 954,288,473.36
  5. Step 5: Solve for x
    x = 954,288,473.36/34,304.78
  6. Step 6: Final answer
    x = 27,817.94

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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.