Home / 33,586.32-46,344-20,154.64

Finding the Fourth Proportional to 33,586.32, 46,344 and 20,154.64

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Solution

The fourth proportional to 33,586.32, 46,344 and 20,154.64 is: 27,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,586.32 : 46,344 = 20,154.64 : x
  2. Step 2: Convert to fraction form
    33,586.32/46,344 = 20,154.64/x
  3. Step 3: Cross multiply
    33,586.32x = 46,344 × 20,154.64
  4. Step 4: Simplify right side
    33,586.32x = 934,046,636.16
  5. Step 5: Solve for x
    x = 934,046,636.16/33,586.32
  6. Step 6: Final answer
    x = 27,810.33

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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.