Home / 45,581.48-68,366.70-12,299

Finding the Fourth Proportional to 45,581.48, 68,366.70 and 12,299

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Solution

The fourth proportional to 45,581.48, 68,366.70 and 12,299 is: 18,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,581.48 : 68,366.70 = 12,299 : x
  2. Step 2: Convert to fraction form
    45,581.48/68,366.70 = 12,299/x
  3. Step 3: Cross multiply
    45,581.48x = 68,366.70 × 12,299
  4. Step 4: Simplify right side
    45,581.48x = 840,842,043.30
  5. Step 5: Solve for x
    x = 840,842,043.30/45,581.48
  6. Step 6: Final answer
    x = 18,447.01

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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.