Home / 31,835.28-47,762.46-12,850.14

Finding the Fourth Proportional to 31,835.28, 47,762.46 and 12,850.14

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Solution

The fourth proportional to 31,835.28, 47,762.46 and 12,850.14 is: 19,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.28 : 47,762.46 = 12,850.14 : x
  2. Step 2: Convert to fraction form
    31,835.28/47,762.46 = 12,850.14/x
  3. Step 3: Cross multiply
    31,835.28x = 47,762.46 × 12,850.14
  4. Step 4: Simplify right side
    31,835.28x = 613,754,297.74
  5. Step 5: Solve for x
    x = 613,754,297.74/31,835.28
  6. Step 6: Final answer
    x = 19,279.06

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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.