Home / 37,141.05-51,254.49-20,145.23

Finding the Fourth Proportional to 37,141.05, 51,254.49 and 20,145.23

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Solution

The fourth proportional to 37,141.05, 51,254.49 and 20,145.23 is: 27,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141.05 : 51,254.49 = 20,145.23 : x
  2. Step 2: Convert to fraction form
    37,141.05/51,254.49 = 20,145.23/x
  3. Step 3: Cross multiply
    37,141.05x = 51,254.49 × 20,145.23
  4. Step 4: Simplify right side
    37,141.05x = 1,032,533,233.31
  5. Step 5: Solve for x
    x = 1,032,533,233.31/37,141.05
  6. Step 6: Final answer
    x = 27,800.32

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1.5x scale

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.