Home / 42,280.44-63,366.34-15,953.80

Finding the Fourth Proportional to 42,280.44, 63,366.34 and 15,953.80

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Solution

The fourth proportional to 42,280.44, 63,366.34 and 15,953.80 is: 23,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,280.44 : 63,366.34 = 15,953.80 : x
  2. Step 2: Convert to fraction form
    42,280.44/63,366.34 = 15,953.80/x
  3. Step 3: Cross multiply
    42,280.44x = 63,366.34 × 15,953.80
  4. Step 4: Simplify right side
    42,280.44x = 1,010,933,915.09
  5. Step 5: Solve for x
    x = 1,010,933,915.09/42,280.44
  6. Step 6: Final answer
    x = 23,910.20

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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.