Home / 38,412.09-57,576.47-19,666.41

Finding the Fourth Proportional to 38,412.09, 57,576.47 and 19,666.41

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Solution

The fourth proportional to 38,412.09, 57,576.47 and 19,666.41 is: 29,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.09 : 57,576.47 = 19,666.41 : x
  2. Step 2: Convert to fraction form
    38,412.09/57,576.47 = 19,666.41/x
  3. Step 3: Cross multiply
    38,412.09x = 57,576.47 × 19,666.41
  4. Step 4: Simplify right side
    38,412.09x = 1,132,322,367.04
  5. Step 5: Solve for x
    x = 1,132,322,367.04/38,412.09
  6. Step 6: Final answer
    x = 29,478.28

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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.