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Finding the Fourth Proportional to 43,846.40, 65,769.60 and 32,830.40

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Solution

The fourth proportional to 43,846.40, 65,769.60 and 32,830.40 is: 49,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,846.40 : 65,769.60 = 32,830.40 : x
  2. Step 2: Convert to fraction form
    43,846.40/65,769.60 = 32,830.40/x
  3. Step 3: Cross multiply
    43,846.40x = 65,769.60 × 32,830.40
  4. Step 4: Simplify right side
    43,846.40x = 2,159,242,275.84
  5. Step 5: Solve for x
    x = 2,159,242,275.84/43,846.40
  6. Step 6: Final answer
    x = 49,245.60

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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.