Home / 41,127.36-61,651.80-18,955.68

Finding the Fourth Proportional to 41,127.36, 61,651.80 and 18,955.68

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Solution

The fourth proportional to 41,127.36, 61,651.80 and 18,955.68 is: 28,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,127.36 : 61,651.80 = 18,955.68 : x
  2. Step 2: Convert to fraction form
    41,127.36/61,651.80 = 18,955.68/x
  3. Step 3: Cross multiply
    41,127.36x = 61,651.80 × 18,955.68
  4. Step 4: Simplify right side
    41,127.36x = 1,168,651,792.22
  5. Step 5: Solve for x
    x = 1,168,651,792.22/41,127.36
  6. Step 6: Final answer
    x = 28,415.43

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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.