Home / 57,054.06-78,738.75-31,901.94

Finding the Fourth Proportional to 57,054.06, 78,738.75 and 31,901.94

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Solution

The fourth proportional to 57,054.06, 78,738.75 and 31,901.94 is: 44,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.06 : 78,738.75 = 31,901.94 : x
  2. Step 2: Convert to fraction form
    57,054.06/78,738.75 = 31,901.94/x
  3. Step 3: Cross multiply
    57,054.06x = 78,738.75 × 31,901.94
  4. Step 4: Simplify right side
    57,054.06x = 2,511,918,878.18
  5. Step 5: Solve for x
    x = 2,511,918,878.18/57,054.06
  6. Step 6: Final answer
    x = 44,027.00

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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.