Home / 36,983.20-51,036.64-20,216.16

Finding the Fourth Proportional to 36,983.20, 51,036.64 and 20,216.16

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Solution

The fourth proportional to 36,983.20, 51,036.64 and 20,216.16 is: 27,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,983.20 : 51,036.64 = 20,216.16 : x
  2. Step 2: Convert to fraction form
    36,983.20/51,036.64 = 20,216.16/x
  3. Step 3: Cross multiply
    36,983.20x = 51,036.64 × 20,216.16
  4. Step 4: Simplify right side
    36,983.20x = 1,031,764,880.10
  5. Step 5: Solve for x
    x = 1,031,764,880.10/36,983.20
  6. Step 6: Final answer
    x = 27,898.20

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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.