Home / 30,257.96-41,752.59-18,155.99

Finding the Fourth Proportional to 30,257.96, 41,752.59 and 18,155.99

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Solution

The fourth proportional to 30,257.96, 41,752.59 and 18,155.99 is: 25,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.96 : 41,752.59 = 18,155.99 : x
  2. Step 2: Convert to fraction form
    30,257.96/41,752.59 = 18,155.99/x
  3. Step 3: Cross multiply
    30,257.96x = 41,752.59 × 18,155.99
  4. Step 4: Simplify right side
    30,257.96x = 758,059,397.75
  5. Step 5: Solve for x
    x = 758,059,397.75/30,257.96
  6. Step 6: Final answer
    x = 25,053.23

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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.