Home / 40,801.38-61,204.37-11,218.56

Finding the Fourth Proportional to 40,801.38, 61,204.37 and 11,218.56

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Solution

The fourth proportional to 40,801.38, 61,204.37 and 11,218.56 is: 16,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,801.38 : 61,204.37 = 11,218.56 : x
  2. Step 2: Convert to fraction form
    40,801.38/61,204.37 = 11,218.56/x
  3. Step 3: Cross multiply
    40,801.38x = 61,204.37 × 11,218.56
  4. Step 4: Simplify right side
    40,801.38x = 686,624,841.01
  5. Step 5: Solve for x
    x = 686,624,841.01/40,801.38
  6. Step 6: Final answer
    x = 16,828.47

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1.5x scale

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.