Home / 33,267.08-45,914.52-19,839.20

Finding the Fourth Proportional to 33,267.08, 45,914.52 and 19,839.20

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Solution

The fourth proportional to 33,267.08, 45,914.52 and 19,839.20 is: 27,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,267.08 : 45,914.52 = 19,839.20 : x
  2. Step 2: Convert to fraction form
    33,267.08/45,914.52 = 19,839.20/x
  3. Step 3: Cross multiply
    33,267.08x = 45,914.52 × 19,839.20
  4. Step 4: Simplify right side
    33,267.08x = 910,907,345.18
  5. Step 5: Solve for x
    x = 910,907,345.18/33,267.08
  6. Step 6: Final answer
    x = 27,381.64

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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.