Home / 45,515.61-68,263.70-14,343.57

Finding the Fourth Proportional to 45,515.61, 68,263.70 and 14,343.57

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Solution

The fourth proportional to 45,515.61, 68,263.70 and 14,343.57 is: 21,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.61 : 68,263.70 = 14,343.57 : x
  2. Step 2: Convert to fraction form
    45,515.61/68,263.70 = 14,343.57/x
  3. Step 3: Cross multiply
    45,515.61x = 68,263.70 × 14,343.57
  4. Step 4: Simplify right side
    45,515.61x = 979,145,087.69
  5. Step 5: Solve for x
    x = 979,145,087.69/45,515.61
  6. Step 6: Final answer
    x = 21,512.29

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1.5x scale

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.