Home / 56,873.16-78,485.22-31,379.82

Finding the Fourth Proportional to 56,873.16, 78,485.22 and 31,379.82

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Solution

The fourth proportional to 56,873.16, 78,485.22 and 31,379.82 is: 43,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,873.16 : 78,485.22 = 31,379.82 : x
  2. Step 2: Convert to fraction form
    56,873.16/78,485.22 = 31,379.82/x
  3. Step 3: Cross multiply
    56,873.16x = 78,485.22 × 31,379.82
  4. Step 4: Simplify right side
    56,873.16x = 2,462,852,076.26
  5. Step 5: Solve for x
    x = 2,462,852,076.26/56,873.16
  6. Step 6: Final answer
    x = 43,304.29

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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.