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Finding the Fourth Proportional to 36,597.90, 50,505.28 and 19,830.90

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Solution

The fourth proportional to 36,597.90, 50,505.28 and 19,830.90 is: 27,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,597.90 : 50,505.28 = 19,830.90 : x
  2. Step 2: Convert to fraction form
    36,597.90/50,505.28 = 19,830.90/x
  3. Step 3: Cross multiply
    36,597.90x = 50,505.28 × 19,830.90
  4. Step 4: Simplify right side
    36,597.90x = 1,001,565,157.15
  5. Step 5: Solve for x
    x = 1,001,565,157.15/36,597.90
  6. Step 6: Final answer
    x = 27,366.74

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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.