Home / 43,239.16-64,860.50-19,542.16

Finding the Fourth Proportional to 43,239.16, 64,860.50 and 19,542.16

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Solution

The fourth proportional to 43,239.16, 64,860.50 and 19,542.16 is: 29,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.16 : 64,860.50 = 19,542.16 : x
  2. Step 2: Convert to fraction form
    43,239.16/64,860.50 = 19,542.16/x
  3. Step 3: Cross multiply
    43,239.16x = 64,860.50 × 19,542.16
  4. Step 4: Simplify right side
    43,239.16x = 1,267,514,268.68
  5. Step 5: Solve for x
    x = 1,267,514,268.68/43,239.16
  6. Step 6: Final answer
    x = 29,314.04

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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.