Home / 30,506.22-42,097.86-17,078.04

Finding the Fourth Proportional to 30,506.22, 42,097.86 and 17,078.04

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Solution

The fourth proportional to 30,506.22, 42,097.86 and 17,078.04 is: 23,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506.22 : 42,097.86 = 17,078.04 : x
  2. Step 2: Convert to fraction form
    30,506.22/42,097.86 = 17,078.04/x
  3. Step 3: Cross multiply
    30,506.22x = 42,097.86 × 17,078.04
  4. Step 4: Simplify right side
    30,506.22x = 718,948,936.99
  5. Step 5: Solve for x
    x = 718,948,936.99/30,506.22
  6. Step 6: Final answer
    x = 23,567.29

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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.