Home / 47,840.36-71,761.19-18,259.79

Finding the Fourth Proportional to 47,840.36, 71,761.19 and 18,259.79

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Solution

The fourth proportional to 47,840.36, 71,761.19 and 18,259.79 is: 27,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840.36 : 71,761.19 = 18,259.79 : x
  2. Step 2: Convert to fraction form
    47,840.36/71,761.19 = 18,259.79/x
  3. Step 3: Cross multiply
    47,840.36x = 71,761.19 × 18,259.79
  4. Step 4: Simplify right side
    47,840.36x = 1,310,343,809.45
  5. Step 5: Solve for x
    x = 1,310,343,809.45/47,840.36
  6. Step 6: Final answer
    x = 27,389.93

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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.