Home / 29,106.72-43,682.76-20,284.20

Finding the Fourth Proportional to 29,106.72, 43,682.76 and 20,284.20

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Solution

The fourth proportional to 29,106.72, 43,682.76 and 20,284.20 is: 30,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.72 : 43,682.76 = 20,284.20 : x
  2. Step 2: Convert to fraction form
    29,106.72/43,682.76 = 20,284.20/x
  3. Step 3: Cross multiply
    29,106.72x = 43,682.76 × 20,284.20
  4. Step 4: Simplify right side
    29,106.72x = 886,069,840.39
  5. Step 5: Solve for x
    x = 886,069,840.39/29,106.72
  6. Step 6: Final answer
    x = 30,442.11

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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.