Home / 30,256.48-41,758.32-18,157.51

Finding the Fourth Proportional to 30,256.48, 41,758.32 and 18,157.51

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Solution

The fourth proportional to 30,256.48, 41,758.32 and 18,157.51 is: 25,059.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.48 : 41,758.32 = 18,157.51 : x
  2. Step 2: Convert to fraction form
    30,256.48/41,758.32 = 18,157.51/x
  3. Step 3: Cross multiply
    30,256.48x = 41,758.32 × 18,157.51
  4. Step 4: Simplify right side
    30,256.48x = 758,227,112.98
  5. Step 5: Solve for x
    x = 758,227,112.98/30,256.48
  6. Step 6: Final answer
    x = 25,059.99

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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.