Home / 31,844.70-47,767.05-20,171.10

Finding the Fourth Proportional to 31,844.70, 47,767.05 and 20,171.10

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Solution

The fourth proportional to 31,844.70, 47,767.05 and 20,171.10 is: 30,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.70 : 47,767.05 = 20,171.10 : x
  2. Step 2: Convert to fraction form
    31,844.70/47,767.05 = 20,171.10/x
  3. Step 3: Cross multiply
    31,844.70x = 47,767.05 × 20,171.10
  4. Step 4: Simplify right side
    31,844.70x = 963,513,942.26
  5. Step 5: Solve for x
    x = 963,513,942.26/31,844.70
  6. Step 6: Final answer
    x = 30,256.65

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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.