Home / 42,099.12-63,135.54-14,012.60

Finding the Fourth Proportional to 42,099.12, 63,135.54 and 14,012.60

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Solution

The fourth proportional to 42,099.12, 63,135.54 and 14,012.60 is: 21,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,099.12 : 63,135.54 = 14,012.60 : x
  2. Step 2: Convert to fraction form
    42,099.12/63,135.54 = 14,012.60/x
  3. Step 3: Cross multiply
    42,099.12x = 63,135.54 × 14,012.60
  4. Step 4: Simplify right side
    42,099.12x = 884,693,367.05
  5. Step 5: Solve for x
    x = 884,693,367.05/42,099.12
  6. Step 6: Final answer
    x = 21,014.53

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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.