Home / 43,722.23-65,585.40-14,142.37

Finding the Fourth Proportional to 43,722.23, 65,585.40 and 14,142.37

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Solution

The fourth proportional to 43,722.23, 65,585.40 and 14,142.37 is: 21,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.23 : 65,585.40 = 14,142.37 : x
  2. Step 2: Convert to fraction form
    43,722.23/65,585.40 = 14,142.37/x
  3. Step 3: Cross multiply
    43,722.23x = 65,585.40 × 14,142.37
  4. Step 4: Simplify right side
    43,722.23x = 927,533,083.83
  5. Step 5: Solve for x
    x = 927,533,083.83/43,722.23
  6. Step 6: Final answer
    x = 21,214.22

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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.