Home / 32,712.68-45,156.96-22,116.56

Finding the Fourth Proportional to 32,712.68, 45,156.96 and 22,116.56

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Solution

The fourth proportional to 32,712.68, 45,156.96 and 22,116.56 is: 30,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.68 : 45,156.96 = 22,116.56 : x
  2. Step 2: Convert to fraction form
    32,712.68/45,156.96 = 22,116.56/x
  3. Step 3: Cross multiply
    32,712.68x = 45,156.96 × 22,116.56
  4. Step 4: Simplify right side
    32,712.68x = 998,716,615.26
  5. Step 5: Solve for x
    x = 998,716,615.26/32,712.68
  6. Step 6: Final answer
    x = 30,529.95

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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.