Home / 44,490.16-66,724.44-20,782.72

Finding the Fourth Proportional to 44,490.16, 66,724.44 and 20,782.72

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Solution

The fourth proportional to 44,490.16, 66,724.44 and 20,782.72 is: 31,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.16 : 66,724.44 = 20,782.72 : x
  2. Step 2: Convert to fraction form
    44,490.16/66,724.44 = 20,782.72/x
  3. Step 3: Cross multiply
    44,490.16x = 66,724.44 × 20,782.72
  4. Step 4: Simplify right side
    44,490.16x = 1,386,715,353.68
  5. Step 5: Solve for x
    x = 1,386,715,353.68/44,490.16
  6. Step 6: Final answer
    x = 31,169.03

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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.