Home / 57,063.47-78,749.93-31,569.41

Finding the Fourth Proportional to 57,063.47, 78,749.93 and 31,569.41

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Solution

The fourth proportional to 57,063.47, 78,749.93 and 31,569.41 is: 43,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.47 : 78,749.93 = 31,569.41 : x
  2. Step 2: Convert to fraction form
    57,063.47/78,749.93 = 31,569.41/x
  3. Step 3: Cross multiply
    57,063.47x = 78,749.93 × 31,569.41
  4. Step 4: Simplify right side
    57,063.47x = 2,486,089,103.44
  5. Step 5: Solve for x
    x = 2,486,089,103.44/57,063.47
  6. Step 6: Final answer
    x = 43,567.09

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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.