Home / 55,664.38-83,505.22-18,725.50

Finding the Fourth Proportional to 55,664.38, 83,505.22 and 18,725.50

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Solution

The fourth proportional to 55,664.38, 83,505.22 and 18,725.50 is: 28,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.38 : 83,505.22 = 18,725.50 : x
  2. Step 2: Convert to fraction form
    55,664.38/83,505.22 = 18,725.50/x
  3. Step 3: Cross multiply
    55,664.38x = 83,505.22 × 18,725.50
  4. Step 4: Simplify right side
    55,664.38x = 1,563,676,997.11
  5. Step 5: Solve for x
    x = 1,563,676,997.11/55,664.38
  6. Step 6: Final answer
    x = 28,091.16

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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.