Home / 36,983.28-51,036.84-20,216.40

Finding the Fourth Proportional to 36,983.28, 51,036.84 and 20,216.40

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Solution

The fourth proportional to 36,983.28, 51,036.84 and 20,216.40 is: 27,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,983.28 : 51,036.84 = 20,216.40 : x
  2. Step 2: Convert to fraction form
    36,983.28/51,036.84 = 20,216.40/x
  3. Step 3: Cross multiply
    36,983.28x = 51,036.84 × 20,216.40
  4. Step 4: Simplify right side
    36,983.28x = 1,031,781,172.18
  5. Step 5: Solve for x
    x = 1,031,781,172.18/36,983.28
  6. Step 6: Final answer
    x = 27,898.58

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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.