Home / 33,398.78-46,090.32-18,291.42

Finding the Fourth Proportional to 33,398.78, 46,090.32 and 18,291.42

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Solution

The fourth proportional to 33,398.78, 46,090.32 and 18,291.42 is: 25,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.78 : 46,090.32 = 18,291.42 : x
  2. Step 2: Convert to fraction form
    33,398.78/46,090.32 = 18,291.42/x
  3. Step 3: Cross multiply
    33,398.78x = 46,090.32 × 18,291.42
  4. Step 4: Simplify right side
    33,398.78x = 843,057,332.46
  5. Step 5: Solve for x
    x = 843,057,332.46/33,398.78
  6. Step 6: Final answer
    x = 25,242.16

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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.