Home / 31,937.92-47,857.59-20,226.53

Finding the Fourth Proportional to 31,937.92, 47,857.59 and 20,226.53

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Solution

The fourth proportional to 31,937.92, 47,857.59 and 20,226.53 is: 30,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.92 : 47,857.59 = 20,226.53 : x
  2. Step 2: Convert to fraction form
    31,937.92/47,857.59 = 20,226.53/x
  3. Step 3: Cross multiply
    31,937.92x = 47,857.59 × 20,226.53
  4. Step 4: Simplify right side
    31,937.92x = 967,993,099.51
  5. Step 5: Solve for x
    x = 967,993,099.51/31,937.92
  6. Step 6: Final answer
    x = 30,308.59

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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.