Home / 55,308.11-82,962.45-13,755.11

Finding the Fourth Proportional to 55,308.11, 82,962.45 and 13,755.11

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Solution

The fourth proportional to 55,308.11, 82,962.45 and 13,755.11 is: 20,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308.11 : 82,962.45 = 13,755.11 : x
  2. Step 2: Convert to fraction form
    55,308.11/82,962.45 = 13,755.11/x
  3. Step 3: Cross multiply
    55,308.11x = 82,962.45 × 13,755.11
  4. Step 4: Simplify right side
    55,308.11x = 1,141,157,210.81
  5. Step 5: Solve for x
    x = 1,141,157,210.81/55,308.11
  6. Step 6: Final answer
    x = 20,632.73

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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.