Home / 40,842.72-56,360.88-22,938.48

Finding the Fourth Proportional to 40,842.72, 56,360.88 and 22,938.48

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Solution

The fourth proportional to 40,842.72, 56,360.88 and 22,938.48 is: 31,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,842.72 : 56,360.88 = 22,938.48 : x
  2. Step 2: Convert to fraction form
    40,842.72/56,360.88 = 22,938.48/x
  3. Step 3: Cross multiply
    40,842.72x = 56,360.88 × 22,938.48
  4. Step 4: Simplify right side
    40,842.72x = 1,292,832,918.66
  5. Step 5: Solve for x
    x = 1,292,832,918.66/40,842.72
  6. Step 6: Final answer
    x = 31,653.94

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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.