Home / 36,896.11-50,916.40-20,980.57

Finding the Fourth Proportional to 36,896.11, 50,916.40 and 20,980.57

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Solution

The fourth proportional to 36,896.11, 50,916.40 and 20,980.57 is: 28,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.11 : 50,916.40 = 20,980.57 : x
  2. Step 2: Convert to fraction form
    36,896.11/50,916.40 = 20,980.57/x
  3. Step 3: Cross multiply
    36,896.11x = 50,916.40 × 20,980.57
  4. Step 4: Simplify right side
    36,896.11x = 1,068,255,094.35
  5. Step 5: Solve for x
    x = 1,068,255,094.35/36,896.11
  6. Step 6: Final answer
    x = 28,953.05

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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.