Home / 40,911.60-61,367.40-23,383.20

Finding the Fourth Proportional to 40,911.60, 61,367.40 and 23,383.20

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Solution

The fourth proportional to 40,911.60, 61,367.40 and 23,383.20 is: 35,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,911.60 : 61,367.40 = 23,383.20 : x
  2. Step 2: Convert to fraction form
    40,911.60/61,367.40 = 23,383.20/x
  3. Step 3: Cross multiply
    40,911.60x = 61,367.40 × 23,383.20
  4. Step 4: Simplify right side
    40,911.60x = 1,434,966,187.68
  5. Step 5: Solve for x
    x = 1,434,966,187.68/40,911.60
  6. Step 6: Final answer
    x = 35,074.80

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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.