Home / 31,460-47,197.30-10,683.52

Finding the Fourth Proportional to 31,460, 47,197.30 and 10,683.52

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Solution

The fourth proportional to 31,460, 47,197.30 and 10,683.52 is: 16,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460 : 47,197.30 = 10,683.52 : x
  2. Step 2: Convert to fraction form
    31,460/47,197.30 = 10,683.52/x
  3. Step 3: Cross multiply
    31,460x = 47,197.30 × 10,683.52
  4. Step 4: Simplify right side
    31,460x = 504,233,298.50
  5. Step 5: Solve for x
    x = 504,233,298.50/31,460
  6. Step 6: Final answer
    x = 16,027.76

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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.