Home / 51,363.18-77,049.90-13,923.86

Finding the Fourth Proportional to 51,363.18, 77,049.90 and 13,923.86

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Solution

The fourth proportional to 51,363.18, 77,049.90 and 13,923.86 is: 20,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.18 : 77,049.90 = 13,923.86 : x
  2. Step 2: Convert to fraction form
    51,363.18/77,049.90 = 13,923.86/x
  3. Step 3: Cross multiply
    51,363.18x = 77,049.90 × 13,923.86
  4. Step 4: Simplify right side
    51,363.18x = 1,072,831,635.36
  5. Step 5: Solve for x
    x = 1,072,831,635.36/51,363.18
  6. Step 6: Final answer
    x = 20,887.17

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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.