Home / 29,126.40-43,722.45-19,284.90

Finding the Fourth Proportional to 29,126.40, 43,722.45 and 19,284.90

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Solution

The fourth proportional to 29,126.40, 43,722.45 and 19,284.90 is: 28,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126.40 : 43,722.45 = 19,284.90 : x
  2. Step 2: Convert to fraction form
    29,126.40/43,722.45 = 19,284.90/x
  3. Step 3: Cross multiply
    29,126.40x = 43,722.45 × 19,284.90
  4. Step 4: Simplify right side
    29,126.40x = 843,183,076.01
  5. Step 5: Solve for x
    x = 843,183,076.01/29,126.40
  6. Step 6: Final answer
    x = 28,949.10

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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.