Home / 42,190.15-63,297.93-12,608.95

Finding the Fourth Proportional to 42,190.15, 63,297.93 and 12,608.95

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Solution

The fourth proportional to 42,190.15, 63,297.93 and 12,608.95 is: 18,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.15 : 63,297.93 = 12,608.95 : x
  2. Step 2: Convert to fraction form
    42,190.15/63,297.93 = 12,608.95/x
  3. Step 3: Cross multiply
    42,190.15x = 63,297.93 × 12,608.95
  4. Step 4: Simplify right side
    42,190.15x = 798,120,434.47
  5. Step 5: Solve for x
    x = 798,120,434.47/42,190.15
  6. Step 6: Final answer
    x = 18,917.22

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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.