Home / 45,895.80-68,835.75-12,607.94

Finding the Fourth Proportional to 45,895.80, 68,835.75 and 12,607.94

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Solution

The fourth proportional to 45,895.80, 68,835.75 and 12,607.94 is: 18,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,895.80 : 68,835.75 = 12,607.94 : x
  2. Step 2: Convert to fraction form
    45,895.80/68,835.75 = 12,607.94/x
  3. Step 3: Cross multiply
    45,895.80x = 68,835.75 × 12,607.94
  4. Step 4: Simplify right side
    45,895.80x = 867,876,661.68
  5. Step 5: Solve for x
    x = 867,876,661.68/45,895.80
  6. Step 6: Final answer
    x = 18,909.72

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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.