Home / 31,937.13-47,906.06-12,216.69

Finding the Fourth Proportional to 31,937.13, 47,906.06 and 12,216.69

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Solution

The fourth proportional to 31,937.13, 47,906.06 and 12,216.69 is: 18,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.13 : 47,906.06 = 12,216.69 : x
  2. Step 2: Convert to fraction form
    31,937.13/47,906.06 = 12,216.69/x
  3. Step 3: Cross multiply
    31,937.13x = 47,906.06 × 12,216.69
  4. Step 4: Simplify right side
    31,937.13x = 585,253,484.14
  5. Step 5: Solve for x
    x = 585,253,484.14/31,937.13
  6. Step 6: Final answer
    x = 18,325.17

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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.