Home / 40,534.11-60,810.75-13,881.42

Finding the Fourth Proportional to 40,534.11, 60,810.75 and 13,881.42

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Solution

The fourth proportional to 40,534.11, 60,810.75 and 13,881.42 is: 20,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,534.11 : 60,810.75 = 13,881.42 : x
  2. Step 2: Convert to fraction form
    40,534.11/60,810.75 = 13,881.42/x
  3. Step 3: Cross multiply
    40,534.11x = 60,810.75 × 13,881.42
  4. Step 4: Simplify right side
    40,534.11x = 844,139,561.27
  5. Step 5: Solve for x
    x = 844,139,561.27/40,534.11
  6. Step 6: Final answer
    x = 20,825.41

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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.