Home / 44,113.89-66,173.39-12,521.49

Finding the Fourth Proportional to 44,113.89, 66,173.39 and 12,521.49

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Solution

The fourth proportional to 44,113.89, 66,173.39 and 12,521.49 is: 18,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,113.89 : 66,173.39 = 12,521.49 : x
  2. Step 2: Convert to fraction form
    44,113.89/66,173.39 = 12,521.49/x
  3. Step 3: Cross multiply
    44,113.89x = 66,173.39 × 12,521.49
  4. Step 4: Simplify right side
    44,113.89x = 828,589,378.54
  5. Step 5: Solve for x
    x = 828,589,378.54/44,113.89
  6. Step 6: Final answer
    x = 18,782.96

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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.