Home / 42,076.44-63,106.02-15,780.60

Finding the Fourth Proportional to 42,076.44, 63,106.02 and 15,780.60

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Solution

The fourth proportional to 42,076.44, 63,106.02 and 15,780.60 is: 23,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,076.44 : 63,106.02 = 15,780.60 : x
  2. Step 2: Convert to fraction form
    42,076.44/63,106.02 = 15,780.60/x
  3. Step 3: Cross multiply
    42,076.44x = 63,106.02 × 15,780.60
  4. Step 4: Simplify right side
    42,076.44x = 995,850,859.21
  5. Step 5: Solve for x
    x = 995,850,859.21/42,076.44
  6. Step 6: Final answer
    x = 23,667.66

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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.