Home / 30,522.51-42,119.06-17,090.69

Finding the Fourth Proportional to 30,522.51, 42,119.06 and 17,090.69

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Solution

The fourth proportional to 30,522.51, 42,119.06 and 17,090.69 is: 23,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.51 : 42,119.06 = 17,090.69 : x
  2. Step 2: Convert to fraction form
    30,522.51/42,119.06 = 17,090.69/x
  3. Step 3: Cross multiply
    30,522.51x = 42,119.06 × 17,090.69
  4. Step 4: Simplify right side
    30,522.51x = 719,843,734.98
  5. Step 5: Solve for x
    x = 719,843,734.98/30,522.51
  6. Step 6: Final answer
    x = 23,584.03

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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.