Home / 32,679.28-45,087.13-18,529.39

Finding the Fourth Proportional to 32,679.28, 45,087.13 and 18,529.39

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Solution

The fourth proportional to 32,679.28, 45,087.13 and 18,529.39 is: 25,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.28 : 45,087.13 = 18,529.39 : x
  2. Step 2: Convert to fraction form
    32,679.28/45,087.13 = 18,529.39/x
  3. Step 3: Cross multiply
    32,679.28x = 45,087.13 × 18,529.39
  4. Step 4: Simplify right side
    32,679.28x = 835,437,015.75
  5. Step 5: Solve for x
    x = 835,437,015.75/32,679.28
  6. Step 6: Final answer
    x = 25,564.73

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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.