Home / 30,334.52-41,863.74-18,398.36

Finding the Fourth Proportional to 30,334.52, 41,863.74 and 18,398.36

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Solution

The fourth proportional to 30,334.52, 41,863.74 and 18,398.36 is: 25,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.52 : 41,863.74 = 18,398.36 : x
  2. Step 2: Convert to fraction form
    30,334.52/41,863.74 = 18,398.36/x
  3. Step 3: Cross multiply
    30,334.52x = 41,863.74 × 18,398.36
  4. Step 4: Simplify right side
    30,334.52x = 770,224,159.47
  5. Step 5: Solve for x
    x = 770,224,159.47/30,334.52
  6. Step 6: Final answer
    x = 25,391.01

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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.