Home / 43,014.08-64,497-13,424.24

Finding the Fourth Proportional to 43,014.08, 64,497 and 13,424.24

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Solution

The fourth proportional to 43,014.08, 64,497 and 13,424.24 is: 20,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,014.08 : 64,497 = 13,424.24 : x
  2. Step 2: Convert to fraction form
    43,014.08/64,497 = 13,424.24/x
  3. Step 3: Cross multiply
    43,014.08x = 64,497 × 13,424.24
  4. Step 4: Simplify right side
    43,014.08x = 865,823,207.28
  5. Step 5: Solve for x
    x = 865,823,207.28/43,014.08
  6. Step 6: Final answer
    x = 20,128.83

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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.