Home / 33,378.48-46,061.60-18,270.78

Finding the Fourth Proportional to 33,378.48, 46,061.60 and 18,270.78

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Solution

The fourth proportional to 33,378.48, 46,061.60 and 18,270.78 is: 25,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.48 : 46,061.60 = 18,270.78 : x
  2. Step 2: Convert to fraction form
    33,378.48/46,061.60 = 18,270.78/x
  3. Step 3: Cross multiply
    33,378.48x = 46,061.60 × 18,270.78
  4. Step 4: Simplify right side
    33,378.48x = 841,581,268.69
  5. Step 5: Solve for x
    x = 841,581,268.69/33,378.48
  6. Step 6: Final answer
    x = 25,213.29

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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.