Home / 45,338.61-68,007.81-12,058.68

Finding the Fourth Proportional to 45,338.61, 68,007.81 and 12,058.68

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Solution

The fourth proportional to 45,338.61, 68,007.81 and 12,058.68 is: 18,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.61 : 68,007.81 = 12,058.68 : x
  2. Step 2: Convert to fraction form
    45,338.61/68,007.81 = 12,058.68/x
  3. Step 3: Cross multiply
    45,338.61x = 68,007.81 × 12,058.68
  4. Step 4: Simplify right side
    45,338.61x = 820,084,418.29
  5. Step 5: Solve for x
    x = 820,084,418.29/45,338.61
  6. Step 6: Final answer
    x = 18,087.99

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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.