Home / 36,897.96-50,916.26-20,979.02

Finding the Fourth Proportional to 36,897.96, 50,916.26 and 20,979.02

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Solution

The fourth proportional to 36,897.96, 50,916.26 and 20,979.02 is: 28,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897.96 : 50,916.26 = 20,979.02 : x
  2. Step 2: Convert to fraction form
    36,897.96/50,916.26 = 20,979.02/x
  3. Step 3: Cross multiply
    36,897.96x = 50,916.26 × 20,979.02
  4. Step 4: Simplify right side
    36,897.96x = 1,068,173,236.87
  5. Step 5: Solve for x
    x = 1,068,173,236.87/36,897.96
  6. Step 6: Final answer
    x = 28,949.38

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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.