Home / 56,764.75-78,337.79-31,614.25

Finding the Fourth Proportional to 56,764.75, 78,337.79 and 31,614.25

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Solution

The fourth proportional to 56,764.75, 78,337.79 and 31,614.25 is: 43,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.75 : 78,337.79 = 31,614.25 : x
  2. Step 2: Convert to fraction form
    56,764.75/78,337.79 = 31,614.25/x
  3. Step 3: Cross multiply
    56,764.75x = 78,337.79 × 31,614.25
  4. Step 4: Simplify right side
    56,764.75x = 2,476,590,477.51
  5. Step 5: Solve for x
    x = 2,476,590,477.51/56,764.75
  6. Step 6: Final answer
    x = 43,629.02

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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.