Home / 36,719.80-50,673.16-21,612.36

Finding the Fourth Proportional to 36,719.80, 50,673.16 and 21,612.36

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Solution

The fourth proportional to 36,719.80, 50,673.16 and 21,612.36 is: 29,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.80 : 50,673.16 = 21,612.36 : x
  2. Step 2: Convert to fraction form
    36,719.80/50,673.16 = 21,612.36/x
  3. Step 3: Cross multiply
    36,719.80x = 50,673.16 × 21,612.36
  4. Step 4: Simplify right side
    36,719.80x = 1,095,166,576.26
  5. Step 5: Solve for x
    x = 1,095,166,576.26/36,719.80
  6. Step 6: Final answer
    x = 29,824.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.