Home / 30,522.12-42,118.11-17,090.25

Finding the Fourth Proportional to 30,522.12, 42,118.11 and 17,090.25

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Solution

The fourth proportional to 30,522.12, 42,118.11 and 17,090.25 is: 23,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.12 : 42,118.11 = 17,090.25 : x
  2. Step 2: Convert to fraction form
    30,522.12/42,118.11 = 17,090.25/x
  3. Step 3: Cross multiply
    30,522.12x = 42,118.11 × 17,090.25
  4. Step 4: Simplify right side
    30,522.12x = 719,809,029.43
  5. Step 5: Solve for x
    x = 719,809,029.43/30,522.12
  6. Step 6: Final answer
    x = 23,583.19

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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.