Home / 36,543.96-50,435.60-21,440.30

Finding the Fourth Proportional to 36,543.96, 50,435.60 and 21,440.30

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Solution

The fourth proportional to 36,543.96, 50,435.60 and 21,440.30 is: 29,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,543.96 : 50,435.60 = 21,440.30 : x
  2. Step 2: Convert to fraction form
    36,543.96/50,435.60 = 21,440.30/x
  3. Step 3: Cross multiply
    36,543.96x = 50,435.60 × 21,440.30
  4. Step 4: Simplify right side
    36,543.96x = 1,081,354,035.30
  5. Step 5: Solve for x
    x = 1,081,354,035.30/36,543.96
  6. Step 6: Final answer
    x = 29,590.50

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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.