Home / 32,909.58-45,396.77-20,168.94

Finding the Fourth Proportional to 32,909.58, 45,396.77 and 20,168.94

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Solution

The fourth proportional to 32,909.58, 45,396.77 and 20,168.94 is: 27,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.58 : 45,396.77 = 20,168.94 : x
  2. Step 2: Convert to fraction form
    32,909.58/45,396.77 = 20,168.94/x
  3. Step 3: Cross multiply
    32,909.58x = 45,396.77 × 20,168.94
  4. Step 4: Simplify right side
    32,909.58x = 915,604,459.24
  5. Step 5: Solve for x
    x = 915,604,459.24/32,909.58
  6. Step 6: Final answer
    x = 27,821.82

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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.