Home / 33,515.16-46,242.63-18,979.57

Finding the Fourth Proportional to 33,515.16, 46,242.63 and 18,979.57

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Solution

The fourth proportional to 33,515.16, 46,242.63 and 18,979.57 is: 26,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,515.16 : 46,242.63 = 18,979.57 : x
  2. Step 2: Convert to fraction form
    33,515.16/46,242.63 = 18,979.57/x
  3. Step 3: Cross multiply
    33,515.16x = 46,242.63 × 18,979.57
  4. Step 4: Simplify right side
    33,515.16x = 877,665,233.07
  5. Step 5: Solve for x
    x = 877,665,233.07/33,515.16
  6. Step 6: Final answer
    x = 26,187.11

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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.