Home / 29,183.16-40,271.40-16,436.46

Finding the Fourth Proportional to 29,183.16, 40,271.40 and 16,436.46

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Solution

The fourth proportional to 29,183.16, 40,271.40 and 16,436.46 is: 22,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,183.16 : 40,271.40 = 16,436.46 : x
  2. Step 2: Convert to fraction form
    29,183.16/40,271.40 = 16,436.46/x
  3. Step 3: Cross multiply
    29,183.16x = 40,271.40 × 16,436.46
  4. Step 4: Simplify right side
    29,183.16x = 661,919,255.24
  5. Step 5: Solve for x
    x = 661,919,255.24/29,183.16
  6. Step 6: Final answer
    x = 22,681.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.