Home / 38,686.02-53,371.35-22,745.22

Finding the Fourth Proportional to 38,686.02, 53,371.35 and 22,745.22

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Solution

The fourth proportional to 38,686.02, 53,371.35 and 22,745.22 is: 31,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.02 : 53,371.35 = 22,745.22 : x
  2. Step 2: Convert to fraction form
    38,686.02/53,371.35 = 22,745.22/x
  3. Step 3: Cross multiply
    38,686.02x = 53,371.35 × 22,745.22
  4. Step 4: Simplify right side
    38,686.02x = 1,213,943,097.45
  5. Step 5: Solve for x
    x = 1,213,943,097.45/38,686.02
  6. Step 6: Final answer
    x = 31,379.37

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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.