Home / 20,432.83-30,649.26-5,646.01

Finding the Fourth Proportional to 20,432.83, 30,649.26 and 5,646.01

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Solution

The fourth proportional to 20,432.83, 30,649.26 and 5,646.01 is: 8,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.83 : 30,649.26 = 5,646.01 : x
  2. Step 2: Convert to fraction form
    20,432.83/30,649.26 = 5,646.01/x
  3. Step 3: Cross multiply
    20,432.83x = 30,649.26 × 5,646.01
  4. Step 4: Simplify right side
    20,432.83x = 173,046,028.45
  5. Step 5: Solve for x
    x = 173,046,028.45/20,432.83
  6. Step 6: Final answer
    x = 8,469.02

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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.