Home / 43,573.83-65,369.25-13,989.39

Finding the Fourth Proportional to 43,573.83, 65,369.25 and 13,989.39

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Solution

The fourth proportional to 43,573.83, 65,369.25 and 13,989.39 is: 20,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.83 : 65,369.25 = 13,989.39 : x
  2. Step 2: Convert to fraction form
    43,573.83/65,369.25 = 13,989.39/x
  3. Step 3: Cross multiply
    43,573.83x = 65,369.25 × 13,989.39
  4. Step 4: Simplify right side
    43,573.83x = 914,475,932.26
  5. Step 5: Solve for x
    x = 914,475,932.26/43,573.83
  6. Step 6: Final answer
    x = 20,986.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.