Home / 48,939.70-73,437.24-20,856.80

Finding the Fourth Proportional to 48,939.70, 73,437.24 and 20,856.80

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Solution

The fourth proportional to 48,939.70, 73,437.24 and 20,856.80 is: 31,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.70 : 73,437.24 = 20,856.80 : x
  2. Step 2: Convert to fraction form
    48,939.70/73,437.24 = 20,856.80/x
  3. Step 3: Cross multiply
    48,939.70x = 73,437.24 × 20,856.80
  4. Step 4: Simplify right side
    48,939.70x = 1,531,665,827.23
  5. Step 5: Solve for x
    x = 1,531,665,827.23/48,939.70
  6. Step 6: Final answer
    x = 31,297.00

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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.