Home / 36,003.74-49,677.20-20,887.64

Finding the Fourth Proportional to 36,003.74, 49,677.20 and 20,887.64

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Solution

The fourth proportional to 36,003.74, 49,677.20 and 20,887.64 is: 28,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.74 : 49,677.20 = 20,887.64 : x
  2. Step 2: Convert to fraction form
    36,003.74/49,677.20 = 20,887.64/x
  3. Step 3: Cross multiply
    36,003.74x = 49,677.20 × 20,887.64
  4. Step 4: Simplify right side
    36,003.74x = 1,037,639,381.60
  5. Step 5: Solve for x
    x = 1,037,639,381.60/36,003.74
  6. Step 6: Final answer
    x = 28,820.32

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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.