Home / 40,821.60-61,089.84-35,339.52

Finding the Fourth Proportional to 40,821.60, 61,089.84 and 35,339.52

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Solution

The fourth proportional to 40,821.60, 61,089.84 and 35,339.52 is: 52,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.60 : 61,089.84 = 35,339.52 : x
  2. Step 2: Convert to fraction form
    40,821.60/61,089.84 = 35,339.52/x
  3. Step 3: Cross multiply
    40,821.60x = 61,089.84 × 35,339.52
  4. Step 4: Simplify right side
    40,821.60x = 2,158,885,622.48
  5. Step 5: Solve for x
    x = 2,158,885,622.48/40,821.60
  6. Step 6: Final answer
    x = 52,885.86

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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.