Home / 30,441.89-42,008.99-17,013.25

Finding the Fourth Proportional to 30,441.89, 42,008.99 and 17,013.25

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Solution

The fourth proportional to 30,441.89, 42,008.99 and 17,013.25 is: 23,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441.89 : 42,008.99 = 17,013.25 : x
  2. Step 2: Convert to fraction form
    30,441.89/42,008.99 = 17,013.25/x
  3. Step 3: Cross multiply
    30,441.89x = 42,008.99 × 17,013.25
  4. Step 4: Simplify right side
    30,441.89x = 714,709,449.12
  5. Step 5: Solve for x
    x = 714,709,449.12/30,441.89
  6. Step 6: Final answer
    x = 23,477.83

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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.