Home / 49,733.81-74,623.28-45,529.28

Finding the Fourth Proportional to 49,733.81, 74,623.28 and 45,529.28

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Solution

The fourth proportional to 49,733.81, 74,623.28 and 45,529.28 is: 68,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,733.81 : 74,623.28 = 45,529.28 : x
  2. Step 2: Convert to fraction form
    49,733.81/74,623.28 = 45,529.28/x
  3. Step 3: Cross multiply
    49,733.81x = 74,623.28 × 45,529.28
  4. Step 4: Simplify right side
    49,733.81x = 3,397,543,608.88
  5. Step 5: Solve for x
    x = 3,397,543,608.88/49,733.81
  6. Step 6: Final answer
    x = 68,314.57

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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.