Home / 44,110.89-66,168.88-12,518.48

Finding the Fourth Proportional to 44,110.89, 66,168.88 and 12,518.48

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Solution

The fourth proportional to 44,110.89, 66,168.88 and 12,518.48 is: 18,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,110.89 : 66,168.88 = 12,518.48 : x
  2. Step 2: Convert to fraction form
    44,110.89/66,168.88 = 12,518.48/x
  3. Step 3: Cross multiply
    44,110.89x = 66,168.88 × 12,518.48
  4. Step 4: Simplify right side
    44,110.89x = 828,333,935.03
  5. Step 5: Solve for x
    x = 828,333,935.03/44,110.89
  6. Step 6: Final answer
    x = 18,778.45

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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.