Home / 42,089.21-63,133.82-28,076.60

Finding the Fourth Proportional to 42,089.21, 63,133.82 and 28,076.60

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Solution

The fourth proportional to 42,089.21, 63,133.82 and 28,076.60 is: 42,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,089.21 : 63,133.82 = 28,076.60 : x
  2. Step 2: Convert to fraction form
    42,089.21/63,133.82 = 28,076.60/x
  3. Step 3: Cross multiply
    42,089.21x = 63,133.82 × 28,076.60
  4. Step 4: Simplify right side
    42,089.21x = 1,772,583,010.61
  5. Step 5: Solve for x
    x = 1,772,583,010.61/42,089.21
  6. Step 6: Final answer
    x = 42,114.90

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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.