Home / 48,331.03-72,467.42-21,672.19

Finding the Fourth Proportional to 48,331.03, 72,467.42 and 21,672.19

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Solution

The fourth proportional to 48,331.03, 72,467.42 and 21,672.19 is: 32,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,331.03 : 72,467.42 = 21,672.19 : x
  2. Step 2: Convert to fraction form
    48,331.03/72,467.42 = 21,672.19/x
  3. Step 3: Cross multiply
    48,331.03x = 72,467.42 × 21,672.19
  4. Step 4: Simplify right side
    48,331.03x = 1,570,527,695.05
  5. Step 5: Solve for x
    x = 1,570,527,695.05/48,331.03
  6. Step 6: Final answer
    x = 32,495.23

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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.