Home / 56,544.06-78,027.76-31,391.94

Finding the Fourth Proportional to 56,544.06, 78,027.76 and 31,391.94

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Solution

The fourth proportional to 56,544.06, 78,027.76 and 31,391.94 is: 43,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,544.06 : 78,027.76 = 31,391.94 : x
  2. Step 2: Convert to fraction form
    56,544.06/78,027.76 = 31,391.94/x
  3. Step 3: Cross multiply
    56,544.06x = 78,027.76 × 31,391.94
  4. Step 4: Simplify right side
    56,544.06x = 2,449,442,603.29
  5. Step 5: Solve for x
    x = 2,449,442,603.29/56,544.06
  6. Step 6: Final answer
    x = 43,319.19

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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.