Home / 45,911.93-68,868.18-12,635.51

Finding the Fourth Proportional to 45,911.93, 68,868.18 and 12,635.51

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Solution

The fourth proportional to 45,911.93, 68,868.18 and 12,635.51 is: 18,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,911.93 : 68,868.18 = 12,635.51 : x
  2. Step 2: Convert to fraction form
    45,911.93/68,868.18 = 12,635.51/x
  3. Step 3: Cross multiply
    45,911.93x = 68,868.18 × 12,635.51
  4. Step 4: Simplify right side
    45,911.93x = 870,184,232.73
  5. Step 5: Solve for x
    x = 870,184,232.73/45,911.93
  6. Step 6: Final answer
    x = 18,953.34

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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.