Home / 35,562.96-49,040.06-30,543.78

Finding the Fourth Proportional to 35,562.96, 49,040.06 and 30,543.78

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Solution

The fourth proportional to 35,562.96, 49,040.06 and 30,543.78 is: 42,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,562.96 : 49,040.06 = 30,543.78 : x
  2. Step 2: Convert to fraction form
    35,562.96/49,040.06 = 30,543.78/x
  3. Step 3: Cross multiply
    35,562.96x = 49,040.06 × 30,543.78
  4. Step 4: Simplify right side
    35,562.96x = 1,497,868,651.11
  5. Step 5: Solve for x
    x = 1,497,868,651.11/35,562.96
  6. Step 6: Final answer
    x = 42,118.78

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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.