Home / 30,350.34-41,880.09-18,416.58

Finding the Fourth Proportional to 30,350.34, 41,880.09 and 18,416.58

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Solution

The fourth proportional to 30,350.34, 41,880.09 and 18,416.58 is: 25,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.34 : 41,880.09 = 18,416.58 : x
  2. Step 2: Convert to fraction form
    30,350.34/41,880.09 = 18,416.58/x
  3. Step 3: Cross multiply
    30,350.34x = 41,880.09 × 18,416.58
  4. Step 4: Simplify right side
    30,350.34x = 771,288,027.89
  5. Step 5: Solve for x
    x = 771,288,027.89/30,350.34
  6. Step 6: Final answer
    x = 25,412.83

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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.