Home / 31,845.05-43,946.19-17,697.89

Finding the Fourth Proportional to 31,845.05, 43,946.19 and 17,697.89

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Solution

The fourth proportional to 31,845.05, 43,946.19 and 17,697.89 is: 24,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.05 : 43,946.19 = 17,697.89 : x
  2. Step 2: Convert to fraction form
    31,845.05/43,946.19 = 17,697.89/x
  3. Step 3: Cross multiply
    31,845.05x = 43,946.19 × 17,697.89
  4. Step 4: Simplify right side
    31,845.05x = 777,754,836.54
  5. Step 5: Solve for x
    x = 777,754,836.54/31,845.05
  6. Step 6: Final answer
    x = 24,423.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.