Home / 33,215.20-45,837.05-18,107.64

Finding the Fourth Proportional to 33,215.20, 45,837.05 and 18,107.64

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Solution

The fourth proportional to 33,215.20, 45,837.05 and 18,107.64 is: 24,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.20 : 45,837.05 = 18,107.64 : x
  2. Step 2: Convert to fraction form
    33,215.20/45,837.05 = 18,107.64/x
  3. Step 3: Cross multiply
    33,215.20x = 45,837.05 × 18,107.64
  4. Step 4: Simplify right side
    33,215.20x = 830,000,800.06
  5. Step 5: Solve for x
    x = 830,000,800.06/33,215.20
  6. Step 6: Final answer
    x = 24,988.58

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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.