Home / 40,879-56,412.54-22,977.04

Finding the Fourth Proportional to 40,879, 56,412.54 and 22,977.04

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Solution

The fourth proportional to 40,879, 56,412.54 and 22,977.04 is: 31,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879 : 56,412.54 = 22,977.04 : x
  2. Step 2: Convert to fraction form
    40,879/56,412.54 = 22,977.04/x
  3. Step 3: Cross multiply
    40,879x = 56,412.54 × 22,977.04
  4. Step 4: Simplify right side
    40,879x = 1,296,193,188.08
  5. Step 5: Solve for x
    x = 1,296,193,188.08/40,879
  6. Step 6: Final answer
    x = 31,708.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.