Home / 39,789.60-59,647.29-27,315.50

Finding the Fourth Proportional to 39,789.60, 59,647.29 and 27,315.50

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Solution

The fourth proportional to 39,789.60, 59,647.29 and 27,315.50 is: 40,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.60 : 59,647.29 = 27,315.50 : x
  2. Step 2: Convert to fraction form
    39,789.60/59,647.29 = 27,315.50/x
  3. Step 3: Cross multiply
    39,789.60x = 59,647.29 × 27,315.50
  4. Step 4: Simplify right side
    39,789.60x = 1,629,295,149.33
  5. Step 5: Solve for x
    x = 1,629,295,149.33/39,789.60
  6. Step 6: Final answer
    x = 40,947.77

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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.