Home / 39,218.28-58,838.40-15,861.12

Finding the Fourth Proportional to 39,218.28, 58,838.40 and 15,861.12

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Solution

The fourth proportional to 39,218.28, 58,838.40 and 15,861.12 is: 23,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218.28 : 58,838.40 = 15,861.12 : x
  2. Step 2: Convert to fraction form
    39,218.28/58,838.40 = 15,861.12/x
  3. Step 3: Cross multiply
    39,218.28x = 58,838.40 × 15,861.12
  4. Step 4: Simplify right side
    39,218.28x = 933,242,923.01
  5. Step 5: Solve for x
    x = 933,242,923.01/39,218.28
  6. Step 6: Final answer
    x = 23,796.12

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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.