Home / 48,247.86-72,371.10-21,586.80

Finding the Fourth Proportional to 48,247.86, 72,371.10 and 21,586.80

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Solution

The fourth proportional to 48,247.86, 72,371.10 and 21,586.80 is: 32,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,247.86 : 72,371.10 = 21,586.80 : x
  2. Step 2: Convert to fraction form
    48,247.86/72,371.10 = 21,586.80/x
  3. Step 3: Cross multiply
    48,247.86x = 72,371.10 × 21,586.80
  4. Step 4: Simplify right side
    48,247.86x = 1,562,260,461.48
  5. Step 5: Solve for x
    x = 1,562,260,461.48/48,247.86
  6. Step 6: Final answer
    x = 32,379.89

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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.