Home / 40,943.76-61,415.43-35,380.20

Finding the Fourth Proportional to 40,943.76, 61,415.43 and 35,380.20

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Solution

The fourth proportional to 40,943.76, 61,415.43 and 35,380.20 is: 53,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.76 : 61,415.43 = 35,380.20 : x
  2. Step 2: Convert to fraction form
    40,943.76/61,415.43 = 35,380.20/x
  3. Step 3: Cross multiply
    40,943.76x = 61,415.43 × 35,380.20
  4. Step 4: Simplify right side
    40,943.76x = 2,172,890,196.49
  5. Step 5: Solve for x
    x = 2,172,890,196.49/40,943.76
  6. Step 6: Final answer
    x = 53,070.12

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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.