Home / 34,128.60-51,192.90-22,318.80

Finding the Fourth Proportional to 34,128.60, 51,192.90 and 22,318.80

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Solution

The fourth proportional to 34,128.60, 51,192.90 and 22,318.80 is: 33,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.60 : 51,192.90 = 22,318.80 : x
  2. Step 2: Convert to fraction form
    34,128.60/51,192.90 = 22,318.80/x
  3. Step 3: Cross multiply
    34,128.60x = 51,192.90 × 22,318.80
  4. Step 4: Simplify right side
    34,128.60x = 1,142,564,096.52
  5. Step 5: Solve for x
    x = 1,142,564,096.52/34,128.60
  6. Step 6: Final answer
    x = 33,478.20

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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.