Home / 33,487.98-46,213.47-18,380.74

Finding the Fourth Proportional to 33,487.98, 46,213.47 and 18,380.74

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Solution

The fourth proportional to 33,487.98, 46,213.47 and 18,380.74 is: 25,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,487.98 : 46,213.47 = 18,380.74 : x
  2. Step 2: Convert to fraction form
    33,487.98/46,213.47 = 18,380.74/x
  3. Step 3: Cross multiply
    33,487.98x = 46,213.47 × 18,380.74
  4. Step 4: Simplify right side
    33,487.98x = 849,437,776.57
  5. Step 5: Solve for x
    x = 849,437,776.57/33,487.98
  6. Step 6: Final answer
    x = 25,365.45

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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.