Home / 57,357.37-79,153.77-31,865.32

Finding the Fourth Proportional to 57,357.37, 79,153.77 and 31,865.32

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Solution

The fourth proportional to 57,357.37, 79,153.77 and 31,865.32 is: 43,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357.37 : 79,153.77 = 31,865.32 : x
  2. Step 2: Convert to fraction form
    57,357.37/79,153.77 = 31,865.32/x
  3. Step 3: Cross multiply
    57,357.37x = 79,153.77 × 31,865.32
  4. Step 4: Simplify right side
    57,357.37x = 2,522,260,210.26
  5. Step 5: Solve for x
    x = 2,522,260,210.26/57,357.37
  6. Step 6: Final answer
    x = 43,974.47

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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.