Home / 43,238.96-64,883.45-18,277.40

Finding the Fourth Proportional to 43,238.96, 64,883.45 and 18,277.40

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Solution

The fourth proportional to 43,238.96, 64,883.45 and 18,277.40 is: 27,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,238.96 : 64,883.45 = 18,277.40 : x
  2. Step 2: Convert to fraction form
    43,238.96/64,883.45 = 18,277.40/x
  3. Step 3: Cross multiply
    43,238.96x = 64,883.45 × 18,277.40
  4. Step 4: Simplify right side
    43,238.96x = 1,185,900,769.03
  5. Step 5: Solve for x
    x = 1,185,900,769.03/43,238.96
  6. Step 6: Final answer
    x = 27,426.67

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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.