Home / 48,534.16-72,786.60-18,944

Finding the Fourth Proportional to 48,534.16, 72,786.60 and 18,944

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Solution

The fourth proportional to 48,534.16, 72,786.60 and 18,944 is: 28,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,534.16 : 72,786.60 = 18,944 : x
  2. Step 2: Convert to fraction form
    48,534.16/72,786.60 = 18,944/x
  3. Step 3: Cross multiply
    48,534.16x = 72,786.60 × 18,944
  4. Step 4: Simplify right side
    48,534.16x = 1,378,869,350.40
  5. Step 5: Solve for x
    x = 1,378,869,350.40/48,534.16
  6. Step 6: Final answer
    x = 28,410.29

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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.