Home / 63,072.08-94,630.90-31,479.65

Finding the Fourth Proportional to 63,072.08, 94,630.90 and 31,479.65

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Solution

The fourth proportional to 63,072.08, 94,630.90 and 31,479.65 is: 47,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.08 : 94,630.90 = 31,479.65 : x
  2. Step 2: Convert to fraction form
    63,072.08/94,630.90 = 31,479.65/x
  3. Step 3: Cross multiply
    63,072.08x = 94,630.90 × 31,479.65
  4. Step 4: Simplify right side
    63,072.08x = 2,978,947,611.19
  5. Step 5: Solve for x
    x = 2,978,947,611.19/63,072.08
  6. Step 6: Final answer
    x = 47,230.84

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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.