Home / 47,883.36-71,928.72-39,139.68

Finding the Fourth Proportional to 47,883.36, 71,928.72 and 39,139.68

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Solution

The fourth proportional to 47,883.36, 71,928.72 and 39,139.68 is: 58,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,883.36 : 71,928.72 = 39,139.68 : x
  2. Step 2: Convert to fraction form
    47,883.36/71,928.72 = 39,139.68/x
  3. Step 3: Cross multiply
    47,883.36x = 71,928.72 × 39,139.68
  4. Step 4: Simplify right side
    47,883.36x = 2,815,267,083.61
  5. Step 5: Solve for x
    x = 2,815,267,083.61/47,883.36
  6. Step 6: Final answer
    x = 58,794.27

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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.