Home / 40,117.56-60,185.94-12,415.56

Finding the Fourth Proportional to 40,117.56, 60,185.94 and 12,415.56

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Solution

The fourth proportional to 40,117.56, 60,185.94 and 12,415.56 is: 18,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.56 : 60,185.94 = 12,415.56 : x
  2. Step 2: Convert to fraction form
    40,117.56/60,185.94 = 12,415.56/x
  3. Step 3: Cross multiply
    40,117.56x = 60,185.94 × 12,415.56
  4. Step 4: Simplify right side
    40,117.56x = 747,242,149.23
  5. Step 5: Solve for x
    x = 747,242,149.23/40,117.56
  6. Step 6: Final answer
    x = 18,626.31

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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.