Home / 48,685.92-73,029.36-15,405.36

Finding the Fourth Proportional to 48,685.92, 73,029.36 and 15,405.36

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Solution

The fourth proportional to 48,685.92, 73,029.36 and 15,405.36 is: 23,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.92 : 73,029.36 = 15,405.36 : x
  2. Step 2: Convert to fraction form
    48,685.92/73,029.36 = 15,405.36/x
  3. Step 3: Cross multiply
    48,685.92x = 73,029.36 × 15,405.36
  4. Step 4: Simplify right side
    48,685.92x = 1,125,043,581.37
  5. Step 5: Solve for x
    x = 1,125,043,581.37/48,685.92
  6. Step 6: Final answer
    x = 23,108.19

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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.