Home / 33,118.36-45,689.86-18,775.15

Finding the Fourth Proportional to 33,118.36, 45,689.86 and 18,775.15

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Solution

The fourth proportional to 33,118.36, 45,689.86 and 18,775.15 is: 25,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.36 : 45,689.86 = 18,775.15 : x
  2. Step 2: Convert to fraction form
    33,118.36/45,689.86 = 18,775.15/x
  3. Step 3: Cross multiply
    33,118.36x = 45,689.86 × 18,775.15
  4. Step 4: Simplify right side
    33,118.36x = 857,833,928.04
  5. Step 5: Solve for x
    x = 857,833,928.04/33,118.36
  6. Step 6: Final answer
    x = 25,902.07

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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.