Home / 40,840.80-61,261.20-16,216.80

Finding the Fourth Proportional to 40,840.80, 61,261.20 and 16,216.80

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Solution

The fourth proportional to 40,840.80, 61,261.20 and 16,216.80 is: 24,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.80 : 61,261.20 = 16,216.80 : x
  2. Step 2: Convert to fraction form
    40,840.80/61,261.20 = 16,216.80/x
  3. Step 3: Cross multiply
    40,840.80x = 61,261.20 × 16,216.80
  4. Step 4: Simplify right side
    40,840.80x = 993,460,628.16
  5. Step 5: Solve for x
    x = 993,460,628.16/40,840.80
  6. Step 6: Final answer
    x = 24,325.20

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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.