Home / 43,784.58-65,692.36-21,613.50

Finding the Fourth Proportional to 43,784.58, 65,692.36 and 21,613.50

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Solution

The fourth proportional to 43,784.58, 65,692.36 and 21,613.50 is: 32,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.58 : 65,692.36 = 21,613.50 : x
  2. Step 2: Convert to fraction form
    43,784.58/65,692.36 = 21,613.50/x
  3. Step 3: Cross multiply
    43,784.58x = 65,692.36 × 21,613.50
  4. Step 4: Simplify right side
    43,784.58x = 1,419,841,822.86
  5. Step 5: Solve for x
    x = 1,419,841,822.86/43,784.58
  6. Step 6: Final answer
    x = 32,427.90

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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.