Home / 43,730.21-65,605.05-14,147.39

Finding the Fourth Proportional to 43,730.21, 65,605.05 and 14,147.39

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Solution

The fourth proportional to 43,730.21, 65,605.05 and 14,147.39 is: 21,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,730.21 : 65,605.05 = 14,147.39 : x
  2. Step 2: Convert to fraction form
    43,730.21/65,605.05 = 14,147.39/x
  3. Step 3: Cross multiply
    43,730.21x = 65,605.05 × 14,147.39
  4. Step 4: Simplify right side
    43,730.21x = 928,139,900.29
  5. Step 5: Solve for x
    x = 928,139,900.29/43,730.21
  6. Step 6: Final answer
    x = 21,224.23

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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.