Home / 43,022.43-64,526.99-21,978.03

Finding the Fourth Proportional to 43,022.43, 64,526.99 and 21,978.03

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Solution

The fourth proportional to 43,022.43, 64,526.99 and 21,978.03 is: 32,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022.43 : 64,526.99 = 21,978.03 : x
  2. Step 2: Convert to fraction form
    43,022.43/64,526.99 = 21,978.03/x
  3. Step 3: Cross multiply
    43,022.43x = 64,526.99 × 21,978.03
  4. Step 4: Simplify right side
    43,022.43x = 1,418,176,012.14
  5. Step 5: Solve for x
    x = 1,418,176,012.14/43,022.43
  6. Step 6: Final answer
    x = 32,963.64

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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.