Home / 40,884.53-56,421.18-22,978.49

Finding the Fourth Proportional to 40,884.53, 56,421.18 and 22,978.49

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Solution

The fourth proportional to 40,884.53, 56,421.18 and 22,978.49 is: 31,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884.53 : 56,421.18 = 22,978.49 : x
  2. Step 2: Convert to fraction form
    40,884.53/56,421.18 = 22,978.49/x
  3. Step 3: Cross multiply
    40,884.53x = 56,421.18 × 22,978.49
  4. Step 4: Simplify right side
    40,884.53x = 1,296,473,238.31
  5. Step 5: Solve for x
    x = 1,296,473,238.31/40,884.53
  6. Step 6: Final answer
    x = 31,710.61

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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.