Home / 48,653.83-67,142.69-28,511.29

Finding the Fourth Proportional to 48,653.83, 67,142.69 and 28,511.29

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Solution

The fourth proportional to 48,653.83, 67,142.69 and 28,511.29 is: 39,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,653.83 : 67,142.69 = 28,511.29 : x
  2. Step 2: Convert to fraction form
    48,653.83/67,142.69 = 28,511.29/x
  3. Step 3: Cross multiply
    48,653.83x = 67,142.69 × 28,511.29
  4. Step 4: Simplify right side
    48,653.83x = 1,914,324,705.97
  5. Step 5: Solve for x
    x = 1,914,324,705.97/48,653.83
  6. Step 6: Final answer
    x = 39,345.82

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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.