Home / 56,629.56-84,957.46-19,187.64

Finding the Fourth Proportional to 56,629.56, 84,957.46 and 19,187.64

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Solution

The fourth proportional to 56,629.56, 84,957.46 and 19,187.64 is: 28,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,629.56 : 84,957.46 = 19,187.64 : x
  2. Step 2: Convert to fraction form
    56,629.56/84,957.46 = 19,187.64/x
  3. Step 3: Cross multiply
    56,629.56x = 84,957.46 × 19,187.64
  4. Step 4: Simplify right side
    56,629.56x = 1,630,133,157.79
  5. Step 5: Solve for x
    x = 1,630,133,157.79/56,629.56
  6. Step 6: Final answer
    x = 28,785.91

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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.