Home / 40,496.64-60,777.36-17,139.36

Finding the Fourth Proportional to 40,496.64, 60,777.36 and 17,139.36

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Solution

The fourth proportional to 40,496.64, 60,777.36 and 17,139.36 is: 25,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.64 : 60,777.36 = 17,139.36 : x
  2. Step 2: Convert to fraction form
    40,496.64/60,777.36 = 17,139.36/x
  3. Step 3: Cross multiply
    40,496.64x = 60,777.36 × 17,139.36
  4. Step 4: Simplify right side
    40,496.64x = 1,041,685,052.89
  5. Step 5: Solve for x
    x = 1,041,685,052.89/40,496.64
  6. Step 6: Final answer
    x = 25,722.75

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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.