Home / 53,021.60-73,171.20-29,149.52

Finding the Fourth Proportional to 53,021.60, 73,171.20 and 29,149.52

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Solution

The fourth proportional to 53,021.60, 73,171.20 and 29,149.52 is: 40,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.60 : 73,171.20 = 29,149.52 : x
  2. Step 2: Convert to fraction form
    53,021.60/73,171.20 = 29,149.52/x
  3. Step 3: Cross multiply
    53,021.60x = 73,171.20 × 29,149.52
  4. Step 4: Simplify right side
    53,021.60x = 2,132,905,357.82
  5. Step 5: Solve for x
    x = 2,132,905,357.82/53,021.60
  6. Step 6: Final answer
    x = 40,227.10

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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.