Home / 33,145.80-45,740.34-18,038.76

Finding the Fourth Proportional to 33,145.80, 45,740.34 and 18,038.76

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Solution

The fourth proportional to 33,145.80, 45,740.34 and 18,038.76 is: 24,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.80 : 45,740.34 = 18,038.76 : x
  2. Step 2: Convert to fraction form
    33,145.80/45,740.34 = 18,038.76/x
  3. Step 3: Cross multiply
    33,145.80x = 45,740.34 × 18,038.76
  4. Step 4: Simplify right side
    33,145.80x = 825,099,015.58
  5. Step 5: Solve for x
    x = 825,099,015.58/33,145.80
  6. Step 6: Final answer
    x = 24,893.02

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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.