Home / 43,902.19-65,840.56-31,317.55

Finding the Fourth Proportional to 43,902.19, 65,840.56 and 31,317.55

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Solution

The fourth proportional to 43,902.19, 65,840.56 and 31,317.55 is: 46,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,902.19 : 65,840.56 = 31,317.55 : x
  2. Step 2: Convert to fraction form
    43,902.19/65,840.56 = 31,317.55/x
  3. Step 3: Cross multiply
    43,902.19x = 65,840.56 × 31,317.55
  4. Step 4: Simplify right side
    43,902.19x = 2,061,965,029.83
  5. Step 5: Solve for x
    x = 2,061,965,029.83/43,902.19
  6. Step 6: Final answer
    x = 46,967.25

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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.