Home / 39,669.72-59,463.08-13,365.38

Finding the Fourth Proportional to 39,669.72, 59,463.08 and 13,365.38

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Solution

The fourth proportional to 39,669.72, 59,463.08 and 13,365.38 is: 20,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.72 : 59,463.08 = 13,365.38 : x
  2. Step 2: Convert to fraction form
    39,669.72/59,463.08 = 13,365.38/x
  3. Step 3: Cross multiply
    39,669.72x = 59,463.08 × 13,365.38
  4. Step 4: Simplify right side
    39,669.72x = 794,746,660.17
  5. Step 5: Solve for x
    x = 794,746,660.17/39,669.72
  6. Step 6: Final answer
    x = 20,034.09

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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.