Home / 33,618.47-46,391.63-18,510.53

Finding the Fourth Proportional to 33,618.47, 46,391.63 and 18,510.53

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Solution

The fourth proportional to 33,618.47, 46,391.63 and 18,510.53 is: 25,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,618.47 : 46,391.63 = 18,510.53 : x
  2. Step 2: Convert to fraction form
    33,618.47/46,391.63 = 18,510.53/x
  3. Step 3: Cross multiply
    33,618.47x = 46,391.63 × 18,510.53
  4. Step 4: Simplify right side
    33,618.47x = 858,733,334.35
  5. Step 5: Solve for x
    x = 858,733,334.35/33,618.47
  6. Step 6: Final answer
    x = 25,543.50

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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.