Home / 30,018.24-41,422.32-17,440.56

Finding the Fourth Proportional to 30,018.24, 41,422.32 and 17,440.56

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Solution

The fourth proportional to 30,018.24, 41,422.32 and 17,440.56 is: 24,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.24 : 41,422.32 = 17,440.56 : x
  2. Step 2: Convert to fraction form
    30,018.24/41,422.32 = 17,440.56/x
  3. Step 3: Cross multiply
    30,018.24x = 41,422.32 × 17,440.56
  4. Step 4: Simplify right side
    30,018.24x = 722,428,457.30
  5. Step 5: Solve for x
    x = 722,428,457.30/30,018.24
  6. Step 6: Final answer
    x = 24,066.32

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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.