Home / 55,489.32-83,234.16-13,936.32

Finding the Fourth Proportional to 55,489.32, 83,234.16 and 13,936.32

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Solution

The fourth proportional to 55,489.32, 83,234.16 and 13,936.32 is: 20,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.32 : 83,234.16 = 13,936.32 : x
  2. Step 2: Convert to fraction form
    55,489.32/83,234.16 = 13,936.32/x
  3. Step 3: Cross multiply
    55,489.32x = 83,234.16 × 13,936.32
  4. Step 4: Simplify right side
    55,489.32x = 1,159,977,888.69
  5. Step 5: Solve for x
    x = 1,159,977,888.69/55,489.32
  6. Step 6: Final answer
    x = 20,904.53

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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.