Home / 39,820.56-54,952.36-23,053.20

Finding the Fourth Proportional to 39,820.56, 54,952.36 and 23,053.20

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Solution

The fourth proportional to 39,820.56, 54,952.36 and 23,053.20 is: 31,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.56 : 54,952.36 = 23,053.20 : x
  2. Step 2: Convert to fraction form
    39,820.56/54,952.36 = 23,053.20/x
  3. Step 3: Cross multiply
    39,820.56x = 54,952.36 × 23,053.20
  4. Step 4: Simplify right side
    39,820.56x = 1,266,827,745.55
  5. Step 5: Solve for x
    x = 1,266,827,745.55/39,820.56
  6. Step 6: Final answer
    x = 31,813.41

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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.