Home / 33,240.78-45,867.06-19,090.89

Finding the Fourth Proportional to 33,240.78, 45,867.06 and 19,090.89

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Solution

The fourth proportional to 33,240.78, 45,867.06 and 19,090.89 is: 26,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.78 : 45,867.06 = 19,090.89 : x
  2. Step 2: Convert to fraction form
    33,240.78/45,867.06 = 19,090.89/x
  3. Step 3: Cross multiply
    33,240.78x = 45,867.06 × 19,090.89
  4. Step 4: Simplify right side
    33,240.78x = 875,642,997.08
  5. Step 5: Solve for x
    x = 875,642,997.08/33,240.78
  6. Step 6: Final answer
    x = 26,342.43

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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.