Home / 32,698.84-45,110.63-20,577.85

Finding the Fourth Proportional to 32,698.84, 45,110.63 and 20,577.85

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Solution

The fourth proportional to 32,698.84, 45,110.63 and 20,577.85 is: 28,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,698.84 : 45,110.63 = 20,577.85 : x
  2. Step 2: Convert to fraction form
    32,698.84/45,110.63 = 20,577.85/x
  3. Step 3: Cross multiply
    32,698.84x = 45,110.63 × 20,577.85
  4. Step 4: Simplify right side
    32,698.84x = 928,279,745.15
  5. Step 5: Solve for x
    x = 928,279,745.15/32,698.84
  6. Step 6: Final answer
    x = 28,388.77

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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.