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Finding the Fourth Proportional to 55,602.02, 76,731.90 and 30,451.52

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Solution

The fourth proportional to 55,602.02, 76,731.90 and 30,451.52 is: 42,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.02 : 76,731.90 = 30,451.52 : x
  2. Step 2: Convert to fraction form
    55,602.02/76,731.90 = 30,451.52/x
  3. Step 3: Cross multiply
    55,602.02x = 76,731.90 × 30,451.52
  4. Step 4: Simplify right side
    55,602.02x = 2,336,602,987.49
  5. Step 5: Solve for x
    x = 2,336,602,987.49/55,602.02
  6. Step 6: Final answer
    x = 42,023.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.