Home / 45,749.68-68,614.92-12,910

Finding the Fourth Proportional to 45,749.68, 68,614.92 and 12,910

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Solution

The fourth proportional to 45,749.68, 68,614.92 and 12,910 is: 19,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.68 : 68,614.92 = 12,910 : x
  2. Step 2: Convert to fraction form
    45,749.68/68,614.92 = 12,910/x
  3. Step 3: Cross multiply
    45,749.68x = 68,614.92 × 12,910
  4. Step 4: Simplify right side
    45,749.68x = 885,818,617.20
  5. Step 5: Solve for x
    x = 885,818,617.20/45,749.68
  6. Step 6: Final answer
    x = 19,362.29

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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.