Home / 30,617.09-42,248.67-17,185.27

Finding the Fourth Proportional to 30,617.09, 42,248.67 and 17,185.27

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Solution

The fourth proportional to 30,617.09, 42,248.67 and 17,185.27 is: 23,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617.09 : 42,248.67 = 17,185.27 : x
  2. Step 2: Convert to fraction form
    30,617.09/42,248.67 = 17,185.27/x
  3. Step 3: Cross multiply
    30,617.09x = 42,248.67 × 17,185.27
  4. Step 4: Simplify right side
    30,617.09x = 726,054,600.14
  5. Step 5: Solve for x
    x = 726,054,600.14/30,617.09
  6. Step 6: Final answer
    x = 23,714.03

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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.