Home / 56,911.44-78,541.20-31,762.56

Finding the Fourth Proportional to 56,911.44, 78,541.20 and 31,762.56

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Solution

The fourth proportional to 56,911.44, 78,541.20 and 31,762.56 is: 43,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911.44 : 78,541.20 = 31,762.56 : x
  2. Step 2: Convert to fraction form
    56,911.44/78,541.20 = 31,762.56/x
  3. Step 3: Cross multiply
    56,911.44x = 78,541.20 × 31,762.56
  4. Step 4: Simplify right side
    56,911.44x = 2,494,669,577.47
  5. Step 5: Solve for x
    x = 2,494,669,577.47/56,911.44
  6. Step 6: Final answer
    x = 43,834.24

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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.