Home / 40,980.12-56,550.66-22,829.88

Finding the Fourth Proportional to 40,980.12, 56,550.66 and 22,829.88

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Solution

The fourth proportional to 40,980.12, 56,550.66 and 22,829.88 is: 31,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,980.12 : 56,550.66 = 22,829.88 : x
  2. Step 2: Convert to fraction form
    40,980.12/56,550.66 = 22,829.88/x
  3. Step 3: Cross multiply
    40,980.12x = 56,550.66 × 22,829.88
  4. Step 4: Simplify right side
    40,980.12x = 1,291,044,781.72
  5. Step 5: Solve for x
    x = 1,291,044,781.72/40,980.12
  6. Step 6: Final answer
    x = 31,504.17

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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.