Home / 34,128.20-51,192.30-22,318.40

Finding the Fourth Proportional to 34,128.20, 51,192.30 and 22,318.40

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Solution

The fourth proportional to 34,128.20, 51,192.30 and 22,318.40 is: 33,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.20 : 51,192.30 = 22,318.40 : x
  2. Step 2: Convert to fraction form
    34,128.20/51,192.30 = 22,318.40/x
  3. Step 3: Cross multiply
    34,128.20x = 51,192.30 × 22,318.40
  4. Step 4: Simplify right side
    34,128.20x = 1,142,530,228.32
  5. Step 5: Solve for x
    x = 1,142,530,228.32/34,128.20
  6. Step 6: Final answer
    x = 33,477.60

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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.