Home / 33,187.78-45,798.51-18,080.74

Finding the Fourth Proportional to 33,187.78, 45,798.51 and 18,080.74

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Solution

The fourth proportional to 33,187.78, 45,798.51 and 18,080.74 is: 24,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.78 : 45,798.51 = 18,080.74 : x
  2. Step 2: Convert to fraction form
    33,187.78/45,798.51 = 18,080.74/x
  3. Step 3: Cross multiply
    33,187.78x = 45,798.51 × 18,080.74
  4. Step 4: Simplify right side
    33,187.78x = 828,070,951.70
  5. Step 5: Solve for x
    x = 828,070,951.70/33,187.78
  6. Step 6: Final answer
    x = 24,951.08

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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.