Home / 45,271.78-62,474.78-25,131.58

Finding the Fourth Proportional to 45,271.78, 62,474.78 and 25,131.58

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Solution

The fourth proportional to 45,271.78, 62,474.78 and 25,131.58 is: 34,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.78 : 62,474.78 = 25,131.58 : x
  2. Step 2: Convert to fraction form
    45,271.78/62,474.78 = 25,131.58/x
  3. Step 3: Cross multiply
    45,271.78x = 62,474.78 × 25,131.58
  4. Step 4: Simplify right side
    45,271.78x = 1,570,089,931.55
  5. Step 5: Solve for x
    x = 1,570,089,931.55/45,271.78
  6. Step 6: Final answer
    x = 34,681.43

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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.