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Finding the Fourth Proportional to 36,482.70, 50,343.30 and 21,373.32

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Solution

The fourth proportional to 36,482.70, 50,343.30 and 21,373.32 is: 29,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,482.70 : 50,343.30 = 21,373.32 : x
  2. Step 2: Convert to fraction form
    36,482.70/50,343.30 = 21,373.32/x
  3. Step 3: Cross multiply
    36,482.70x = 50,343.30 × 21,373.32
  4. Step 4: Simplify right side
    36,482.70x = 1,076,003,460.76
  5. Step 5: Solve for x
    x = 1,076,003,460.76/36,482.70
  6. Step 6: Final answer
    x = 29,493.53

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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.