Home / 57,339.56-79,127.35-31,844.51

Finding the Fourth Proportional to 57,339.56, 79,127.35 and 31,844.51

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Solution

The fourth proportional to 57,339.56, 79,127.35 and 31,844.51 is: 43,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.56 : 79,127.35 = 31,844.51 : x
  2. Step 2: Convert to fraction form
    57,339.56/79,127.35 = 31,844.51/x
  3. Step 3: Cross multiply
    57,339.56x = 79,127.35 × 31,844.51
  4. Step 4: Simplify right side
    57,339.56x = 2,519,771,509.83
  5. Step 5: Solve for x
    x = 2,519,771,509.83/57,339.56
  6. Step 6: Final answer
    x = 43,944.73

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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.