Home / 32,729.88-45,163.43-18,387.72

Finding the Fourth Proportional to 32,729.88, 45,163.43 and 18,387.72

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Solution

The fourth proportional to 32,729.88, 45,163.43 and 18,387.72 is: 25,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.88 : 45,163.43 = 18,387.72 : x
  2. Step 2: Convert to fraction form
    32,729.88/45,163.43 = 18,387.72/x
  3. Step 3: Cross multiply
    32,729.88x = 45,163.43 × 18,387.72
  4. Step 4: Simplify right side
    32,729.88x = 830,452,187.32
  5. Step 5: Solve for x
    x = 830,452,187.32/32,729.88
  6. Step 6: Final answer
    x = 25,372.91

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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.