Home / 56,336.64-77,745.60-31,188.48

Finding the Fourth Proportional to 56,336.64, 77,745.60 and 31,188.48

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Solution

The fourth proportional to 56,336.64, 77,745.60 and 31,188.48 is: 43,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,336.64 : 77,745.60 = 31,188.48 : x
  2. Step 2: Convert to fraction form
    56,336.64/77,745.60 = 31,188.48/x
  3. Step 3: Cross multiply
    56,336.64x = 77,745.60 × 31,188.48
  4. Step 4: Simplify right side
    56,336.64x = 2,424,767,090.69
  5. Step 5: Solve for x
    x = 2,424,767,090.69/56,336.64
  6. Step 6: Final answer
    x = 43,040.68

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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.