Home / 37,620.04-51,919.38-20,856.28

Finding the Fourth Proportional to 37,620.04, 51,919.38 and 20,856.28

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Solution

The fourth proportional to 37,620.04, 51,919.38 and 20,856.28 is: 28,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.04 : 51,919.38 = 20,856.28 : x
  2. Step 2: Convert to fraction form
    37,620.04/51,919.38 = 20,856.28/x
  3. Step 3: Cross multiply
    37,620.04x = 51,919.38 × 20,856.28
  4. Step 4: Simplify right side
    37,620.04x = 1,082,845,126.71
  5. Step 5: Solve for x
    x = 1,082,845,126.71/37,620.04
  6. Step 6: Final answer
    x = 28,783.73

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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.