Home / 56,750.44-78,314.87-31,256.32

Finding the Fourth Proportional to 56,750.44, 78,314.87 and 31,256.32

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Solution

The fourth proportional to 56,750.44, 78,314.87 and 31,256.32 is: 43,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.44 : 78,314.87 = 31,256.32 : x
  2. Step 2: Convert to fraction form
    56,750.44/78,314.87 = 31,256.32/x
  3. Step 3: Cross multiply
    56,750.44x = 78,314.87 × 31,256.32
  4. Step 4: Simplify right side
    56,750.44x = 2,447,834,089.62
  5. Step 5: Solve for x
    x = 2,447,834,089.62/56,750.44
  6. Step 6: Final answer
    x = 43,133.31

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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.