Home / 32,703.46-45,118.66-20,600.69

Finding the Fourth Proportional to 32,703.46, 45,118.66 and 20,600.69

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Solution

The fourth proportional to 32,703.46, 45,118.66 and 20,600.69 is: 28,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.46 : 45,118.66 = 20,600.69 : x
  2. Step 2: Convert to fraction form
    32,703.46/45,118.66 = 20,600.69/x
  3. Step 3: Cross multiply
    32,703.46x = 45,118.66 × 20,600.69
  4. Step 4: Simplify right side
    32,703.46x = 929,475,527.88
  5. Step 5: Solve for x
    x = 929,475,527.88/32,703.46
  6. Step 6: Final answer
    x = 28,421.33

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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.