Home / 30,793.07-42,466.10-19,442.94

Finding the Fourth Proportional to 30,793.07, 42,466.10 and 19,442.94

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Solution

The fourth proportional to 30,793.07, 42,466.10 and 19,442.94 is: 26,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.07 : 42,466.10 = 19,442.94 : x
  2. Step 2: Convert to fraction form
    30,793.07/42,466.10 = 19,442.94/x
  3. Step 3: Cross multiply
    30,793.07x = 42,466.10 × 19,442.94
  4. Step 4: Simplify right side
    30,793.07x = 825,665,737.12
  5. Step 5: Solve for x
    x = 825,665,737.12/30,793.07
  6. Step 6: Final answer
    x = 26,813.37

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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.