Home / 33,487.70-46,213.61-18,381.77

Finding the Fourth Proportional to 33,487.70, 46,213.61 and 18,381.77

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Solution

The fourth proportional to 33,487.70, 46,213.61 and 18,381.77 is: 25,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,487.70 : 46,213.61 = 18,381.77 : x
  2. Step 2: Convert to fraction form
    33,487.70/46,213.61 = 18,381.77/x
  3. Step 3: Cross multiply
    33,487.70x = 46,213.61 × 18,381.77
  4. Step 4: Simplify right side
    33,487.70x = 849,487,800.21
  5. Step 5: Solve for x
    x = 849,487,800.21/33,487.70
  6. Step 6: Final answer
    x = 25,367.16

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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.