Home / 43,878.96-65,783.76-15,794.16

Finding the Fourth Proportional to 43,878.96, 65,783.76 and 15,794.16

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Solution

The fourth proportional to 43,878.96, 65,783.76 and 15,794.16 is: 23,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,878.96 : 65,783.76 = 15,794.16 : x
  2. Step 2: Convert to fraction form
    43,878.96/65,783.76 = 15,794.16/x
  3. Step 3: Cross multiply
    43,878.96x = 65,783.76 × 15,794.16
  4. Step 4: Simplify right side
    43,878.96x = 1,038,999,230.84
  5. Step 5: Solve for x
    x = 1,038,999,230.84/43,878.96
  6. Step 6: Final answer
    x = 23,678.76

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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.