Home / 36,483.99-50,360.34-21,381.45

Finding the Fourth Proportional to 36,483.99, 50,360.34 and 21,381.45

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Solution

The fourth proportional to 36,483.99, 50,360.34 and 21,381.45 is: 29,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,483.99 : 50,360.34 = 21,381.45 : x
  2. Step 2: Convert to fraction form
    36,483.99/50,360.34 = 21,381.45/x
  3. Step 3: Cross multiply
    36,483.99x = 50,360.34 × 21,381.45
  4. Step 4: Simplify right side
    36,483.99x = 1,076,777,091.69
  5. Step 5: Solve for x
    x = 1,076,777,091.69/36,483.99
  6. Step 6: Final answer
    x = 29,513.69

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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.