Home / 29,511.30-40,740.36-18,766.98

Finding the Fourth Proportional to 29,511.30, 40,740.36 and 18,766.98

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Solution

The fourth proportional to 29,511.30, 40,740.36 and 18,766.98 is: 25,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,511.30 : 40,740.36 = 18,766.98 : x
  2. Step 2: Convert to fraction form
    29,511.30/40,740.36 = 18,766.98/x
  3. Step 3: Cross multiply
    29,511.30x = 40,740.36 × 18,766.98
  4. Step 4: Simplify right side
    29,511.30x = 764,573,521.31
  5. Step 5: Solve for x
    x = 764,573,521.31/29,511.30
  6. Step 6: Final answer
    x = 25,907.82

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1.5x scale

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.