Home / 34,436.53-47,508.69-21,006.73

Finding the Fourth Proportional to 34,436.53, 47,508.69 and 21,006.73

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Solution

The fourth proportional to 34,436.53, 47,508.69 and 21,006.73 is: 28,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,436.53 : 47,508.69 = 21,006.73 : x
  2. Step 2: Convert to fraction form
    34,436.53/47,508.69 = 21,006.73/x
  3. Step 3: Cross multiply
    34,436.53x = 47,508.69 × 21,006.73
  4. Step 4: Simplify right side
    34,436.53x = 998,002,223.48
  5. Step 5: Solve for x
    x = 998,002,223.48/34,436.53
  6. Step 6: Final answer
    x = 28,980.92

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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.