Home / 45,515.46-68,273.16-14,353.14

Finding the Fourth Proportional to 45,515.46, 68,273.16 and 14,353.14

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Solution

The fourth proportional to 45,515.46, 68,273.16 and 14,353.14 is: 21,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.46 : 68,273.16 = 14,353.14 : x
  2. Step 2: Convert to fraction form
    45,515.46/68,273.16 = 14,353.14/x
  3. Step 3: Cross multiply
    45,515.46x = 68,273.16 × 14,353.14
  4. Step 4: Simplify right side
    45,515.46x = 979,934,223.72
  5. Step 5: Solve for x
    x = 979,934,223.72/45,515.46
  6. Step 6: Final answer
    x = 21,529.70

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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.