Home / 36,579.71-50,484.10-20,665.18

Finding the Fourth Proportional to 36,579.71, 50,484.10 and 20,665.18

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Solution

The fourth proportional to 36,579.71, 50,484.10 and 20,665.18 is: 28,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.71 : 50,484.10 = 20,665.18 : x
  2. Step 2: Convert to fraction form
    36,579.71/50,484.10 = 20,665.18/x
  3. Step 3: Cross multiply
    36,579.71x = 50,484.10 × 20,665.18
  4. Step 4: Simplify right side
    36,579.71x = 1,043,263,013.64
  5. Step 5: Solve for x
    x = 1,043,263,013.64/36,579.71
  6. Step 6: Final answer
    x = 28,520.26

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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.