Home / 39,967.16-55,157.36-22,976.87

Finding the Fourth Proportional to 39,967.16, 55,157.36 and 22,976.87

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Solution

The fourth proportional to 39,967.16, 55,157.36 and 22,976.87 is: 31,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.16 : 55,157.36 = 22,976.87 : x
  2. Step 2: Convert to fraction form
    39,967.16/55,157.36 = 22,976.87/x
  3. Step 3: Cross multiply
    39,967.16x = 55,157.36 × 22,976.87
  4. Step 4: Simplify right side
    39,967.16x = 1,267,343,099.59
  5. Step 5: Solve for x
    x = 1,267,343,099.59/39,967.16
  6. Step 6: Final answer
    x = 31,709.62

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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.