Home / 30,442.71-42,010.84-17,013.96

Finding the Fourth Proportional to 30,442.71, 42,010.84 and 17,013.96

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Solution

The fourth proportional to 30,442.71, 42,010.84 and 17,013.96 is: 23,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.71 : 42,010.84 = 17,013.96 : x
  2. Step 2: Convert to fraction form
    30,442.71/42,010.84 = 17,013.96/x
  3. Step 3: Cross multiply
    30,442.71x = 42,010.84 × 17,013.96
  4. Step 4: Simplify right side
    30,442.71x = 714,770,751.33
  5. Step 5: Solve for x
    x = 714,770,751.33/30,442.71
  6. Step 6: Final answer
    x = 23,479.21

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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.