Home / 47,681.19-65,798.19-26,171.37

Finding the Fourth Proportional to 47,681.19, 65,798.19 and 26,171.37

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Solution

The fourth proportional to 47,681.19, 65,798.19 and 26,171.37 is: 36,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681.19 : 65,798.19 = 26,171.37 : x
  2. Step 2: Convert to fraction form
    47,681.19/65,798.19 = 26,171.37/x
  3. Step 3: Cross multiply
    47,681.19x = 65,798.19 × 26,171.37
  4. Step 4: Simplify right side
    47,681.19x = 1,722,028,775.82
  5. Step 5: Solve for x
    x = 1,722,028,775.82/47,681.19
  6. Step 6: Final answer
    x = 36,115.47

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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.