Home / 39,729.72-59,873.54-35,785.92

Finding the Fourth Proportional to 39,729.72, 59,873.54 and 35,785.92

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Solution

The fourth proportional to 39,729.72, 59,873.54 and 35,785.92 is: 53,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.72 : 59,873.54 = 35,785.92 : x
  2. Step 2: Convert to fraction form
    39,729.72/59,873.54 = 35,785.92/x
  3. Step 3: Cross multiply
    39,729.72x = 59,873.54 × 35,785.92
  4. Step 4: Simplify right side
    39,729.72x = 2,142,629,712.56
  5. Step 5: Solve for x
    x = 2,142,629,712.56/39,729.72
  6. Step 6: Final answer
    x = 53,930.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.