Home / 48,665.40-72,947.70-26,431.80

Finding the Fourth Proportional to 48,665.40, 72,947.70 and 26,431.80

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Solution

The fourth proportional to 48,665.40, 72,947.70 and 26,431.80 is: 39,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,665.40 : 72,947.70 = 26,431.80 : x
  2. Step 2: Convert to fraction form
    48,665.40/72,947.70 = 26,431.80/x
  3. Step 3: Cross multiply
    48,665.40x = 72,947.70 × 26,431.80
  4. Step 4: Simplify right side
    48,665.40x = 1,928,139,016.86
  5. Step 5: Solve for x
    x = 1,928,139,016.86/48,665.40
  6. Step 6: Final answer
    x = 39,620.33

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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.