Home / 39,313.99-54,251.45-22,315.99

Finding the Fourth Proportional to 39,313.99, 54,251.45 and 22,315.99

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Solution

The fourth proportional to 39,313.99, 54,251.45 and 22,315.99 is: 30,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.99 : 54,251.45 = 22,315.99 : x
  2. Step 2: Convert to fraction form
    39,313.99/54,251.45 = 22,315.99/x
  3. Step 3: Cross multiply
    39,313.99x = 54,251.45 × 22,315.99
  4. Step 4: Simplify right side
    39,313.99x = 1,210,674,735.85
  5. Step 5: Solve for x
    x = 1,210,674,735.85/39,313.99
  6. Step 6: Final answer
    x = 30,795.01

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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.