Home / 53,026.84-79,540.26-21,861.28

Finding the Fourth Proportional to 53,026.84, 79,540.26 and 21,861.28

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Solution

The fourth proportional to 53,026.84, 79,540.26 and 21,861.28 is: 32,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,026.84 : 79,540.26 = 21,861.28 : x
  2. Step 2: Convert to fraction form
    53,026.84/79,540.26 = 21,861.28/x
  3. Step 3: Cross multiply
    53,026.84x = 79,540.26 × 21,861.28
  4. Step 4: Simplify right side
    53,026.84x = 1,738,851,895.13
  5. Step 5: Solve for x
    x = 1,738,851,895.13/53,026.84
  6. Step 6: Final answer
    x = 32,791.92

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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.