Home / 53,429.40-80,144.10-22,260.60

Finding the Fourth Proportional to 53,429.40, 80,144.10 and 22,260.60

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Solution

The fourth proportional to 53,429.40, 80,144.10 and 22,260.60 is: 33,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429.40 : 80,144.10 = 22,260.60 : x
  2. Step 2: Convert to fraction form
    53,429.40/80,144.10 = 22,260.60/x
  3. Step 3: Cross multiply
    53,429.40x = 80,144.10 × 22,260.60
  4. Step 4: Simplify right side
    53,429.40x = 1,784,055,752.46
  5. Step 5: Solve for x
    x = 1,784,055,752.46/53,429.40
  6. Step 6: Final answer
    x = 33,390.90

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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.