Home / 30,436.32-41,998.56-17,008.16

Finding the Fourth Proportional to 30,436.32, 41,998.56 and 17,008.16

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Solution

The fourth proportional to 30,436.32, 41,998.56 and 17,008.16 is: 23,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.32 : 41,998.56 = 17,008.16 : x
  2. Step 2: Convert to fraction form
    30,436.32/41,998.56 = 17,008.16/x
  3. Step 3: Cross multiply
    30,436.32x = 41,998.56 × 17,008.16
  4. Step 4: Simplify right side
    30,436.32x = 714,318,228.25
  5. Step 5: Solve for x
    x = 714,318,228.25/30,436.32
  6. Step 6: Final answer
    x = 23,469.27

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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.