Home / 34,694.10-47,878.02-18,778.56

Finding the Fourth Proportional to 34,694.10, 47,878.02 and 18,778.56

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Solution

The fourth proportional to 34,694.10, 47,878.02 and 18,778.56 is: 25,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.10 : 47,878.02 = 18,778.56 : x
  2. Step 2: Convert to fraction form
    34,694.10/47,878.02 = 18,778.56/x
  3. Step 3: Cross multiply
    34,694.10x = 47,878.02 × 18,778.56
  4. Step 4: Simplify right side
    34,694.10x = 899,080,271.25
  5. Step 5: Solve for x
    x = 899,080,271.25/34,694.10
  6. Step 6: Final answer
    x = 25,914.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.