Home / 34,438.53-47,511.45-21,008.73

Finding the Fourth Proportional to 34,438.53, 47,511.45 and 21,008.73

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Solution

The fourth proportional to 34,438.53, 47,511.45 and 21,008.73 is: 28,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,438.53 : 47,511.45 = 21,008.73 : x
  2. Step 2: Convert to fraction form
    34,438.53/47,511.45 = 21,008.73/x
  3. Step 3: Cross multiply
    34,438.53x = 47,511.45 × 21,008.73
  4. Step 4: Simplify right side
    34,438.53x = 998,155,224.96
  5. Step 5: Solve for x
    x = 998,155,224.96/34,438.53
  6. Step 6: Final answer
    x = 28,983.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.