Home / 30,020.36-41,425.35-17,270.15

Finding the Fourth Proportional to 30,020.36, 41,425.35 and 17,270.15

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Solution

The fourth proportional to 30,020.36, 41,425.35 and 17,270.15 is: 23,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.36 : 41,425.35 = 17,270.15 : x
  2. Step 2: Convert to fraction form
    30,020.36/41,425.35 = 17,270.15/x
  3. Step 3: Cross multiply
    30,020.36x = 41,425.35 × 17,270.15
  4. Step 4: Simplify right side
    30,020.36x = 715,421,801.18
  5. Step 5: Solve for x
    x = 715,421,801.18/30,020.36
  6. Step 6: Final answer
    x = 23,831.22

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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.