Home / 40,449.78-60,682.91-14,172.98

Finding the Fourth Proportional to 40,449.78, 60,682.91 and 14,172.98

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Solution

The fourth proportional to 40,449.78, 60,682.91 and 14,172.98 is: 21,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.78 : 60,682.91 = 14,172.98 : x
  2. Step 2: Convert to fraction form
    40,449.78/60,682.91 = 14,172.98/x
  3. Step 3: Cross multiply
    40,449.78x = 60,682.91 × 14,172.98
  4. Step 4: Simplify right side
    40,449.78x = 860,057,295.49
  5. Step 5: Solve for x
    x = 860,057,295.49/40,449.78
  6. Step 6: Final answer
    x = 21,262.35

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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.