Home / 30,623.86-42,260.43-17,195.14

Finding the Fourth Proportional to 30,623.86, 42,260.43 and 17,195.14

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Solution

The fourth proportional to 30,623.86, 42,260.43 and 17,195.14 is: 23,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.86 : 42,260.43 = 17,195.14 : x
  2. Step 2: Convert to fraction form
    30,623.86/42,260.43 = 17,195.14/x
  3. Step 3: Cross multiply
    30,623.86x = 42,260.43 × 17,195.14
  4. Step 4: Simplify right side
    30,623.86x = 726,674,010.31
  5. Step 5: Solve for x
    x = 726,674,010.31/30,623.86
  6. Step 6: Final answer
    x = 23,729.01

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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.