Home / 34,213.60-51,320.40-22,403.80

Finding the Fourth Proportional to 34,213.60, 51,320.40 and 22,403.80

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Solution

The fourth proportional to 34,213.60, 51,320.40 and 22,403.80 is: 33,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,213.60 : 51,320.40 = 22,403.80 : x
  2. Step 2: Convert to fraction form
    34,213.60/51,320.40 = 22,403.80/x
  3. Step 3: Cross multiply
    34,213.60x = 51,320.40 × 22,403.80
  4. Step 4: Simplify right side
    34,213.60x = 1,149,771,977.52
  5. Step 5: Solve for x
    x = 1,149,771,977.52/34,213.60
  6. Step 6: Final answer
    x = 33,605.70

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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.