Home / 45,316.32-67,974.48-14,154

Finding the Fourth Proportional to 45,316.32, 67,974.48 and 14,154

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Solution

The fourth proportional to 45,316.32, 67,974.48 and 14,154 is: 21,231

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,316.32 : 67,974.48 = 14,154 : x
  2. Step 2: Convert to fraction form
    45,316.32/67,974.48 = 14,154/x
  3. Step 3: Cross multiply
    45,316.32x = 67,974.48 × 14,154
  4. Step 4: Simplify right side
    45,316.32x = 962,110,789.92
  5. Step 5: Solve for x
    x = 962,110,789.92/45,316.32
  6. Step 6: Final answer
    x = 21,231

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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.