Home / 40,647.21-60,981.79-16,946.91

Finding the Fourth Proportional to 40,647.21, 60,981.79 and 16,946.91

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Solution

The fourth proportional to 40,647.21, 60,981.79 and 16,946.91 is: 25,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.21 : 60,981.79 = 16,946.91 : x
  2. Step 2: Convert to fraction form
    40,647.21/60,981.79 = 16,946.91/x
  3. Step 3: Cross multiply
    40,647.21x = 60,981.79 × 16,946.91
  4. Step 4: Simplify right side
    40,647.21x = 1,033,452,906.77
  5. Step 5: Solve for x
    x = 1,033,452,906.77/40,647.21
  6. Step 6: Final answer
    x = 25,424.94

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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.