Home / 33,686.48-46,487.70-18,579.80

Finding the Fourth Proportional to 33,686.48, 46,487.70 and 18,579.80

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Solution

The fourth proportional to 33,686.48, 46,487.70 and 18,579.80 is: 25,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.48 : 46,487.70 = 18,579.80 : x
  2. Step 2: Convert to fraction form
    33,686.48/46,487.70 = 18,579.80/x
  3. Step 3: Cross multiply
    33,686.48x = 46,487.70 × 18,579.80
  4. Step 4: Simplify right side
    33,686.48x = 863,732,168.46
  5. Step 5: Solve for x
    x = 863,732,168.46/33,686.48
  6. Step 6: Final answer
    x = 25,640.32

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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.