Home / 36,460.28-54,690.12-20,866.88

Finding the Fourth Proportional to 36,460.28, 54,690.12 and 20,866.88

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Solution

The fourth proportional to 36,460.28, 54,690.12 and 20,866.88 is: 31,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,460.28 : 54,690.12 = 20,866.88 : x
  2. Step 2: Convert to fraction form
    36,460.28/54,690.12 = 20,866.88/x
  3. Step 3: Cross multiply
    36,460.28x = 54,690.12 × 20,866.88
  4. Step 4: Simplify right side
    36,460.28x = 1,141,212,171.23
  5. Step 5: Solve for x
    x = 1,141,212,171.23/36,460.28
  6. Step 6: Final answer
    x = 31,300.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.