Home / 48,676.24-72,986.41-19,059.40

Finding the Fourth Proportional to 48,676.24, 72,986.41 and 19,059.40

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Solution

The fourth proportional to 48,676.24, 72,986.41 and 19,059.40 is: 28,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,676.24 : 72,986.41 = 19,059.40 : x
  2. Step 2: Convert to fraction form
    48,676.24/72,986.41 = 19,059.40/x
  3. Step 3: Cross multiply
    48,676.24x = 72,986.41 × 19,059.40
  4. Step 4: Simplify right side
    48,676.24x = 1,391,076,722.52
  5. Step 5: Solve for x
    x = 1,391,076,722.52/48,676.24
  6. Step 6: Final answer
    x = 28,578.15

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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.