Home / 43,021.67-64,541.62-13,441.74

Finding the Fourth Proportional to 43,021.67, 64,541.62 and 13,441.74

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Solution

The fourth proportional to 43,021.67, 64,541.62 and 13,441.74 is: 20,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.67 : 64,541.62 = 13,441.74 : x
  2. Step 2: Convert to fraction form
    43,021.67/64,541.62 = 13,441.74/x
  3. Step 3: Cross multiply
    43,021.67x = 64,541.62 × 13,441.74
  4. Step 4: Simplify right side
    43,021.67x = 867,551,449.99
  5. Step 5: Solve for x
    x = 867,551,449.99/43,021.67
  6. Step 6: Final answer
    x = 20,165.45

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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.