Home / 39,313.71-54,249.50-22,318.67

Finding the Fourth Proportional to 39,313.71, 54,249.50 and 22,318.67

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Solution

The fourth proportional to 39,313.71, 54,249.50 and 22,318.67 is: 30,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.71 : 54,249.50 = 22,318.67 : x
  2. Step 2: Convert to fraction form
    39,313.71/54,249.50 = 22,318.67/x
  3. Step 3: Cross multiply
    39,313.71x = 54,249.50 × 22,318.67
  4. Step 4: Simplify right side
    39,313.71x = 1,210,776,688.17
  5. Step 5: Solve for x
    x = 1,210,776,688.17/39,313.71
  6. Step 6: Final answer
    x = 30,797.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.