Home / 30,430.35-41,993.73-17,001.63

Finding the Fourth Proportional to 30,430.35, 41,993.73 and 17,001.63

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Solution

The fourth proportional to 30,430.35, 41,993.73 and 17,001.63 is: 23,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.35 : 41,993.73 = 17,001.63 : x
  2. Step 2: Convert to fraction form
    30,430.35/41,993.73 = 17,001.63/x
  3. Step 3: Cross multiply
    30,430.35x = 41,993.73 × 17,001.63
  4. Step 4: Simplify right side
    30,430.35x = 713,961,859.78
  5. Step 5: Solve for x
    x = 713,961,859.78/30,430.35
  6. Step 6: Final answer
    x = 23,462.16

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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.