Home / 63,039.04-94,573.11-20,915.98

Finding the Fourth Proportional to 63,039.04, 94,573.11 and 20,915.98

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Solution

The fourth proportional to 63,039.04, 94,573.11 and 20,915.98 is: 31,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,039.04 : 94,573.11 = 20,915.98 : x
  2. Step 2: Convert to fraction form
    63,039.04/94,573.11 = 20,915.98/x
  3. Step 3: Cross multiply
    63,039.04x = 94,573.11 × 20,915.98
  4. Step 4: Simplify right side
    63,039.04x = 1,978,089,277.30
  5. Step 5: Solve for x
    x = 1,978,089,277.30/63,039.04
  6. Step 6: Final answer
    x = 31,378.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.