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Finding the Fourth Proportional to 37,770.88, 56,663.88 and 21,154.54

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Solution

The fourth proportional to 37,770.88, 56,663.88 and 21,154.54 is: 31,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,770.88 : 56,663.88 = 21,154.54 : x
  2. Step 2: Convert to fraction form
    37,770.88/56,663.88 = 21,154.54/x
  3. Step 3: Cross multiply
    37,770.88x = 56,663.88 × 21,154.54
  4. Step 4: Simplify right side
    37,770.88x = 1,198,698,316.02
  5. Step 5: Solve for x
    x = 1,198,698,316.02/37,770.88
  6. Step 6: Final answer
    x = 31,736.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.