Home / 32,729.52-45,163.96-18,388.23

Finding the Fourth Proportional to 32,729.52, 45,163.96 and 18,388.23

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Solution

The fourth proportional to 32,729.52, 45,163.96 and 18,388.23 is: 25,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.52 : 45,163.96 = 18,388.23 : x
  2. Step 2: Convert to fraction form
    32,729.52/45,163.96 = 18,388.23/x
  3. Step 3: Cross multiply
    32,729.52x = 45,163.96 × 18,388.23
  4. Step 4: Simplify right side
    32,729.52x = 830,485,172.29
  5. Step 5: Solve for x
    x = 830,485,172.29/32,729.52
  6. Step 6: Final answer
    x = 25,374.19

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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.