Home / 34,453.83-47,553.69-21,022.20

Finding the Fourth Proportional to 34,453.83, 47,553.69 and 21,022.20

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Solution

The fourth proportional to 34,453.83, 47,553.69 and 21,022.20 is: 29,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,453.83 : 47,553.69 = 21,022.20 : x
  2. Step 2: Convert to fraction form
    34,453.83/47,553.69 = 21,022.20/x
  3. Step 3: Cross multiply
    34,453.83x = 47,553.69 × 21,022.20
  4. Step 4: Simplify right side
    34,453.83x = 999,683,181.92
  5. Step 5: Solve for x
    x = 999,683,181.92/34,453.83
  6. Step 6: Final answer
    x = 29,015.15

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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.