Home / 43,223.82-64,835.74-13,643.96

Finding the Fourth Proportional to 43,223.82, 64,835.74 and 13,643.96

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Solution

The fourth proportional to 43,223.82, 64,835.74 and 13,643.96 is: 20,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,223.82 : 64,835.74 = 13,643.96 : x
  2. Step 2: Convert to fraction form
    43,223.82/64,835.74 = 13,643.96/x
  3. Step 3: Cross multiply
    43,223.82x = 64,835.74 × 13,643.96
  4. Step 4: Simplify right side
    43,223.82x = 884,616,243.13
  5. Step 5: Solve for x
    x = 884,616,243.13/43,223.82
  6. Step 6: Final answer
    x = 20,465.94

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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.