Home / 48,821.61-67,374.09-28,415.77

Finding the Fourth Proportional to 48,821.61, 67,374.09 and 28,415.77

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Solution

The fourth proportional to 48,821.61, 67,374.09 and 28,415.77 is: 39,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,821.61 : 67,374.09 = 28,415.77 : x
  2. Step 2: Convert to fraction form
    48,821.61/67,374.09 = 28,415.77/x
  3. Step 3: Cross multiply
    48,821.61x = 67,374.09 × 28,415.77
  4. Step 4: Simplify right side
    48,821.61x = 1,914,486,645.40
  5. Step 5: Solve for x
    x = 1,914,486,645.40/48,821.61
  6. Step 6: Final answer
    x = 39,213.92

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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.