Home / 30,430.88-41,993.16-17,001.92

Finding the Fourth Proportional to 30,430.88, 41,993.16 and 17,001.92

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Solution

The fourth proportional to 30,430.88, 41,993.16 and 17,001.92 is: 23,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.88 : 41,993.16 = 17,001.92 : x
  2. Step 2: Convert to fraction form
    30,430.88/41,993.16 = 17,001.92/x
  3. Step 3: Cross multiply
    30,430.88x = 41,993.16 × 17,001.92
  4. Step 4: Simplify right side
    30,430.88x = 713,964,346.87
  5. Step 5: Solve for x
    x = 713,964,346.87/30,430.88
  6. Step 6: Final answer
    x = 23,461.84

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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.