Home / 45,705.49-68,559.63-12,426.27

Finding the Fourth Proportional to 45,705.49, 68,559.63 and 12,426.27

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Solution

The fourth proportional to 45,705.49, 68,559.63 and 12,426.27 is: 18,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.49 : 68,559.63 = 12,426.27 : x
  2. Step 2: Convert to fraction form
    45,705.49/68,559.63 = 12,426.27/x
  3. Step 3: Cross multiply
    45,705.49x = 68,559.63 × 12,426.27
  4. Step 4: Simplify right side
    45,705.49x = 851,940,473.48
  5. Step 5: Solve for x
    x = 851,940,473.48/45,705.49
  6. Step 6: Final answer
    x = 18,639.78

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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.