Home / 33,148.53-45,741.51-18,803.78

Finding the Fourth Proportional to 33,148.53, 45,741.51 and 18,803.78

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Solution

The fourth proportional to 33,148.53, 45,741.51 and 18,803.78 is: 25,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.53 : 45,741.51 = 18,803.78 : x
  2. Step 2: Convert to fraction form
    33,148.53/45,741.51 = 18,803.78/x
  3. Step 3: Cross multiply
    33,148.53x = 45,741.51 × 18,803.78
  4. Step 4: Simplify right side
    33,148.53x = 860,113,290.91
  5. Step 5: Solve for x
    x = 860,113,290.91/33,148.53
  6. Step 6: Final answer
    x = 25,947.25

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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.