Home / 43,021.92-64,541.52-19,642.08

Finding the Fourth Proportional to 43,021.92, 64,541.52 and 19,642.08

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Solution

The fourth proportional to 43,021.92, 64,541.52 and 19,642.08 is: 29,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.92 : 64,541.52 = 19,642.08 : x
  2. Step 2: Convert to fraction form
    43,021.92/64,541.52 = 19,642.08/x
  3. Step 3: Cross multiply
    43,021.92x = 64,541.52 × 19,642.08
  4. Step 4: Simplify right side
    43,021.92x = 1,267,729,699.16
  5. Step 5: Solve for x
    x = 1,267,729,699.16/43,021.92
  6. Step 6: Final answer
    x = 29,467.06

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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.