Home / 30,442.24-42,007.44-17,864.56

Finding the Fourth Proportional to 30,442.24, 42,007.44 and 17,864.56

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Solution

The fourth proportional to 30,442.24, 42,007.44 and 17,864.56 is: 24,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.24 : 42,007.44 = 17,864.56 : x
  2. Step 2: Convert to fraction form
    30,442.24/42,007.44 = 17,864.56/x
  3. Step 3: Cross multiply
    30,442.24x = 42,007.44 × 17,864.56
  4. Step 4: Simplify right side
    30,442.24x = 750,444,432.33
  5. Step 5: Solve for x
    x = 750,444,432.33/30,442.24
  6. Step 6: Final answer
    x = 24,651.42

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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.