Home / 43,216.04-64,824.06-13,636.87

Finding the Fourth Proportional to 43,216.04, 64,824.06 and 13,636.87

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Solution

The fourth proportional to 43,216.04, 64,824.06 and 13,636.87 is: 20,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.04 : 64,824.06 = 13,636.87 : x
  2. Step 2: Convert to fraction form
    43,216.04/64,824.06 = 13,636.87/x
  3. Step 3: Cross multiply
    43,216.04x = 64,824.06 × 13,636.87
  4. Step 4: Simplify right side
    43,216.04x = 883,997,279.09
  5. Step 5: Solve for x
    x = 883,997,279.09/43,216.04
  6. Step 6: Final answer
    x = 20,455.31

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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.