Home / 48,919.89-67,505.63-28,777.53

Finding the Fourth Proportional to 48,919.89, 67,505.63 and 28,777.53

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Solution

The fourth proportional to 48,919.89, 67,505.63 and 28,777.53 is: 39,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.89 : 67,505.63 = 28,777.53 : x
  2. Step 2: Convert to fraction form
    48,919.89/67,505.63 = 28,777.53/x
  3. Step 3: Cross multiply
    48,919.89x = 67,505.63 × 28,777.53
  4. Step 4: Simplify right side
    48,919.89x = 1,942,645,148.61
  5. Step 5: Solve for x
    x = 1,942,645,148.61/48,919.89
  6. Step 6: Final answer
    x = 39,710.74

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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.