Home / 33,721.31-46,533.42-18,613.60

Finding the Fourth Proportional to 33,721.31, 46,533.42 and 18,613.60

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Solution

The fourth proportional to 33,721.31, 46,533.42 and 18,613.60 is: 25,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,721.31 : 46,533.42 = 18,613.60 : x
  2. Step 2: Convert to fraction form
    33,721.31/46,533.42 = 18,613.60/x
  3. Step 3: Cross multiply
    33,721.31x = 46,533.42 × 18,613.60
  4. Step 4: Simplify right side
    33,721.31x = 866,154,350.18
  5. Step 5: Solve for x
    x = 866,154,350.18/33,721.31
  6. Step 6: Final answer
    x = 25,685.67

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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.