Home / 36,555.18-50,445.72-20,640.30

Finding the Fourth Proportional to 36,555.18, 50,445.72 and 20,640.30

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Solution

The fourth proportional to 36,555.18, 50,445.72 and 20,640.30 is: 28,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.18 : 50,445.72 = 20,640.30 : x
  2. Step 2: Convert to fraction form
    36,555.18/50,445.72 = 20,640.30/x
  3. Step 3: Cross multiply
    36,555.18x = 50,445.72 × 20,640.30
  4. Step 4: Simplify right side
    36,555.18x = 1,041,214,794.52
  5. Step 5: Solve for x
    x = 1,041,214,794.52/36,555.18
  6. Step 6: Final answer
    x = 28,483.37

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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.