Home / 43,530.39-65,295.32-21,014.80

Finding the Fourth Proportional to 43,530.39, 65,295.32 and 21,014.80

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Solution

The fourth proportional to 43,530.39, 65,295.32 and 21,014.80 is: 31,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.39 : 65,295.32 = 21,014.80 : x
  2. Step 2: Convert to fraction form
    43,530.39/65,295.32 = 21,014.80/x
  3. Step 3: Cross multiply
    43,530.39x = 65,295.32 × 21,014.80
  4. Step 4: Simplify right side
    43,530.39x = 1,372,167,822.42
  5. Step 5: Solve for x
    x = 1,372,167,822.42/43,530.39
  6. Step 6: Final answer
    x = 31,522.07

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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.