Home / 82,646.48-123,972.96-23,487.32

Finding the Fourth Proportional to 82,646.48, 123,972.96 and 23,487.32

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Solution

The fourth proportional to 82,646.48, 123,972.96 and 23,487.32 is: 35,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,646.48 : 123,972.96 = 23,487.32 : x
  2. Step 2: Convert to fraction form
    82,646.48/123,972.96 = 23,487.32/x
  3. Step 3: Cross multiply
    82,646.48x = 123,972.96 × 23,487.32
  4. Step 4: Simplify right side
    82,646.48x = 2,911,792,582.87
  5. Step 5: Solve for x
    x = 2,911,792,582.87/82,646.48
  6. Step 6: Final answer
    x = 35,231.90

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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.