Home / 35,781.23-53,672.45-10,821.56

Finding the Fourth Proportional to 35,781.23, 53,672.45 and 10,821.56

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Solution

The fourth proportional to 35,781.23, 53,672.45 and 10,821.56 is: 16,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.23 : 53,672.45 = 10,821.56 : x
  2. Step 2: Convert to fraction form
    35,781.23/53,672.45 = 10,821.56/x
  3. Step 3: Cross multiply
    35,781.23x = 53,672.45 × 10,821.56
  4. Step 4: Simplify right side
    35,781.23x = 580,819,315.55
  5. Step 5: Solve for x
    x = 580,819,315.55/35,781.23
  6. Step 6: Final answer
    x = 16,232.52

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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.