Home / 43,823.98-65,713.46-20,111.12

Finding the Fourth Proportional to 43,823.98, 65,713.46 and 20,111.12

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Solution

The fourth proportional to 43,823.98, 65,713.46 and 20,111.12 is: 30,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823.98 : 65,713.46 = 20,111.12 : x
  2. Step 2: Convert to fraction form
    43,823.98/65,713.46 = 20,111.12/x
  3. Step 3: Cross multiply
    43,823.98x = 65,713.46 × 20,111.12
  4. Step 4: Simplify right side
    43,823.98x = 1,321,570,925.97
  5. Step 5: Solve for x
    x = 1,321,570,925.97/43,823.98
  6. Step 6: Final answer
    x = 30,156.34

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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.