Home / 48,657.87-67,170.47-28,511.96

Finding the Fourth Proportional to 48,657.87, 67,170.47 and 28,511.96

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Solution

The fourth proportional to 48,657.87, 67,170.47 and 28,511.96 is: 39,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,657.87 : 67,170.47 = 28,511.96 : x
  2. Step 2: Convert to fraction form
    48,657.87/67,170.47 = 28,511.96/x
  3. Step 3: Cross multiply
    48,657.87x = 67,170.47 × 28,511.96
  4. Step 4: Simplify right side
    48,657.87x = 1,915,161,275.41
  5. Step 5: Solve for x
    x = 1,915,161,275.41/48,657.87
  6. Step 6: Final answer
    x = 39,359.74

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1.5x scale

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.