Home / 33,378.13-46,061.79-18,270.66

Finding the Fourth Proportional to 33,378.13, 46,061.79 and 18,270.66

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Solution

The fourth proportional to 33,378.13, 46,061.79 and 18,270.66 is: 25,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.13 : 46,061.79 = 18,270.66 : x
  2. Step 2: Convert to fraction form
    33,378.13/46,061.79 = 18,270.66/x
  3. Step 3: Cross multiply
    33,378.13x = 46,061.79 × 18,270.66
  4. Step 4: Simplify right side
    33,378.13x = 841,579,188.93
  5. Step 5: Solve for x
    x = 841,579,188.93/33,378.13
  6. Step 6: Final answer
    x = 25,213.49

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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.