Home / 30,758.09-42,445.97-17,333.65

Finding the Fourth Proportional to 30,758.09, 42,445.97 and 17,333.65

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Solution

The fourth proportional to 30,758.09, 42,445.97 and 17,333.65 is: 23,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.09 : 42,445.97 = 17,333.65 : x
  2. Step 2: Convert to fraction form
    30,758.09/42,445.97 = 17,333.65/x
  3. Step 3: Cross multiply
    30,758.09x = 42,445.97 × 17,333.65
  4. Step 4: Simplify right side
    30,758.09x = 735,743,395.11
  5. Step 5: Solve for x
    x = 735,743,395.11/30,758.09
  6. Step 6: Final answer
    x = 23,920.33

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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.