Home / 34,324.80-47,369.28-20,177.28

Finding the Fourth Proportional to 34,324.80, 47,369.28 and 20,177.28

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Solution

The fourth proportional to 34,324.80, 47,369.28 and 20,177.28 is: 27,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,324.80 : 47,369.28 = 20,177.28 : x
  2. Step 2: Convert to fraction form
    34,324.80/47,369.28 = 20,177.28/x
  3. Step 3: Cross multiply
    34,324.80x = 47,369.28 × 20,177.28
  4. Step 4: Simplify right side
    34,324.80x = 955,783,225.96
  5. Step 5: Solve for x
    x = 955,783,225.96/34,324.80
  6. Step 6: Final answer
    x = 27,845.27

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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.