Home / 30,015.35-41,422.77-17,270.47

Finding the Fourth Proportional to 30,015.35, 41,422.77 and 17,270.47

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Solution

The fourth proportional to 30,015.35, 41,422.77 and 17,270.47 is: 23,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.35 : 41,422.77 = 17,270.47 : x
  2. Step 2: Convert to fraction form
    30,015.35/41,422.77 = 17,270.47/x
  3. Step 3: Cross multiply
    30,015.35x = 41,422.77 × 17,270.47
  4. Step 4: Simplify right side
    30,015.35x = 715,390,579.26
  5. Step 5: Solve for x
    x = 715,390,579.26/30,015.35
  6. Step 6: Final answer
    x = 23,834.16

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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.