Home / 45,783.11-68,663.90-12,495.27

Finding the Fourth Proportional to 45,783.11, 68,663.90 and 12,495.27

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Solution

The fourth proportional to 45,783.11, 68,663.90 and 12,495.27 is: 18,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.11 : 68,663.90 = 12,495.27 : x
  2. Step 2: Convert to fraction form
    45,783.11/68,663.90 = 12,495.27/x
  3. Step 3: Cross multiply
    45,783.11x = 68,663.90 × 12,495.27
  4. Step 4: Simplify right side
    45,783.11x = 857,974,000.99
  5. Step 5: Solve for x
    x = 857,974,000.99/45,783.11
  6. Step 6: Final answer
    x = 18,739.97

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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.