Home / 43,222.11-64,840.08-18,262.40

Finding the Fourth Proportional to 43,222.11, 64,840.08 and 18,262.40

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Solution

The fourth proportional to 43,222.11, 64,840.08 and 18,262.40 is: 27,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,222.11 : 64,840.08 = 18,262.40 : x
  2. Step 2: Convert to fraction form
    43,222.11/64,840.08 = 18,262.40/x
  3. Step 3: Cross multiply
    43,222.11x = 64,840.08 × 18,262.40
  4. Step 4: Simplify right side
    43,222.11x = 1,184,135,314.89
  5. Step 5: Solve for x
    x = 1,184,135,314.89/43,222.11
  6. Step 6: Final answer
    x = 27,396.52

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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.