Home / 33,353.10-46,027.04-21,420.99

Finding the Fourth Proportional to 33,353.10, 46,027.04 and 21,420.99

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Solution

The fourth proportional to 33,353.10, 46,027.04 and 21,420.99 is: 29,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,353.10 : 46,027.04 = 21,420.99 : x
  2. Step 2: Convert to fraction form
    33,353.10/46,027.04 = 21,420.99/x
  3. Step 3: Cross multiply
    33,353.10x = 46,027.04 × 21,420.99
  4. Step 4: Simplify right side
    33,353.10x = 985,944,656.46
  5. Step 5: Solve for x
    x = 985,944,656.46/33,353.10
  6. Step 6: Final answer
    x = 29,560.81

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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.