Home / 43,332.65-65,022.99-21,146.21

Finding the Fourth Proportional to 43,332.65, 65,022.99 and 21,146.21

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Solution

The fourth proportional to 43,332.65, 65,022.99 and 21,146.21 is: 31,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.65 : 65,022.99 = 21,146.21 : x
  2. Step 2: Convert to fraction form
    43,332.65/65,022.99 = 21,146.21/x
  3. Step 3: Cross multiply
    43,332.65x = 65,022.99 × 21,146.21
  4. Step 4: Simplify right side
    43,332.65x = 1,374,989,801.37
  5. Step 5: Solve for x
    x = 1,374,989,801.37/43,332.65
  6. Step 6: Final answer
    x = 31,731.03

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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.