Home / 39,947.60-59,921.88-11,866.98

Finding the Fourth Proportional to 39,947.60, 59,921.88 and 11,866.98

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Solution

The fourth proportional to 39,947.60, 59,921.88 and 11,866.98 is: 17,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.60 : 59,921.88 = 11,866.98 : x
  2. Step 2: Convert to fraction form
    39,947.60/59,921.88 = 11,866.98/x
  3. Step 3: Cross multiply
    39,947.60x = 59,921.88 × 11,866.98
  4. Step 4: Simplify right side
    39,947.60x = 711,091,751.52
  5. Step 5: Solve for x
    x = 711,091,751.52/39,947.60
  6. Step 6: Final answer
    x = 17,800.61

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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.