Home / 39,973.69-59,960.54-13,678.66

Finding the Fourth Proportional to 39,973.69, 59,960.54 and 13,678.66

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Solution

The fourth proportional to 39,973.69, 59,960.54 and 13,678.66 is: 20,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,973.69 : 59,960.54 = 13,678.66 : x
  2. Step 2: Convert to fraction form
    39,973.69/59,960.54 = 13,678.66/x
  3. Step 3: Cross multiply
    39,973.69x = 59,960.54 × 13,678.66
  4. Step 4: Simplify right side
    39,973.69x = 820,179,840.08
  5. Step 5: Solve for x
    x = 820,179,840.08/39,973.69
  6. Step 6: Final answer
    x = 20,517.99

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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.