Home / 33,084.36-45,656.46-18,937.20

Finding the Fourth Proportional to 33,084.36, 45,656.46 and 18,937.20

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Solution

The fourth proportional to 33,084.36, 45,656.46 and 18,937.20 is: 26,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,084.36 : 45,656.46 = 18,937.20 : x
  2. Step 2: Convert to fraction form
    33,084.36/45,656.46 = 18,937.20/x
  3. Step 3: Cross multiply
    33,084.36x = 45,656.46 × 18,937.20
  4. Step 4: Simplify right side
    33,084.36x = 864,605,514.31
  5. Step 5: Solve for x
    x = 864,605,514.31/33,084.36
  6. Step 6: Final answer
    x = 26,133.36

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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.