Home / 45,578.73-68,368.09-12,298.79

Finding the Fourth Proportional to 45,578.73, 68,368.09 and 12,298.79

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Solution

The fourth proportional to 45,578.73, 68,368.09 and 12,298.79 is: 18,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.73 : 68,368.09 = 12,298.79 : x
  2. Step 2: Convert to fraction form
    45,578.73/68,368.09 = 12,298.79/x
  3. Step 3: Cross multiply
    45,578.73x = 68,368.09 × 12,298.79
  4. Step 4: Simplify right side
    45,578.73x = 840,844,542.98
  5. Step 5: Solve for x
    x = 840,844,542.98/45,578.73
  6. Step 6: Final answer
    x = 18,448.18

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1.5x scale

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.