Home / 43,083.09-64,629.50-19,703.25

Finding the Fourth Proportional to 43,083.09, 64,629.50 and 19,703.25

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Solution

The fourth proportional to 43,083.09, 64,629.50 and 19,703.25 is: 29,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,083.09 : 64,629.50 = 19,703.25 : x
  2. Step 2: Convert to fraction form
    43,083.09/64,629.50 = 19,703.25/x
  3. Step 3: Cross multiply
    43,083.09x = 64,629.50 × 19,703.25
  4. Step 4: Simplify right side
    43,083.09x = 1,273,411,097.36
  5. Step 5: Solve for x
    x = 1,273,411,097.36/43,083.09
  6. Step 6: Final answer
    x = 29,557.10

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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.