Home / 45,515.86-68,264.07-14,343.82

Finding the Fourth Proportional to 45,515.86, 68,264.07 and 14,343.82

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Solution

The fourth proportional to 45,515.86, 68,264.07 and 14,343.82 is: 21,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.86 : 68,264.07 = 14,343.82 : x
  2. Step 2: Convert to fraction form
    45,515.86/68,264.07 = 14,343.82/x
  3. Step 3: Cross multiply
    45,515.86x = 68,264.07 × 14,343.82
  4. Step 4: Simplify right side
    45,515.86x = 979,167,532.55
  5. Step 5: Solve for x
    x = 979,167,532.55/45,515.86
  6. Step 6: Final answer
    x = 21,512.67

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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.