Home / 33,149.08-45,737.89-18,805.74

Finding the Fourth Proportional to 33,149.08, 45,737.89 and 18,805.74

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Solution

The fourth proportional to 33,149.08, 45,737.89 and 18,805.74 is: 25,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.08 : 45,737.89 = 18,805.74 : x
  2. Step 2: Convert to fraction form
    33,149.08/45,737.89 = 18,805.74/x
  3. Step 3: Cross multiply
    33,149.08x = 45,737.89 × 18,805.74
  4. Step 4: Simplify right side
    33,149.08x = 860,134,867.49
  5. Step 5: Solve for x
    x = 860,134,867.49/33,149.08
  6. Step 6: Final answer
    x = 25,947.47

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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.