Home / 43,905.06-65,838.15-31,541.22

Finding the Fourth Proportional to 43,905.06, 65,838.15 and 31,541.22

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Solution

The fourth proportional to 43,905.06, 65,838.15 and 31,541.22 is: 47,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.06 : 65,838.15 = 31,541.22 : x
  2. Step 2: Convert to fraction form
    43,905.06/65,838.15 = 31,541.22/x
  3. Step 3: Cross multiply
    43,905.06x = 65,838.15 × 31,541.22
  4. Step 4: Simplify right side
    43,905.06x = 2,076,615,573.54
  5. Step 5: Solve for x
    x = 2,076,615,573.54/43,905.06
  6. Step 6: Final answer
    x = 47,297.86

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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.