Home / 30,312.92-41,824.86-18,373.80

Finding the Fourth Proportional to 30,312.92, 41,824.86 and 18,373.80

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Solution

The fourth proportional to 30,312.92, 41,824.86 and 18,373.80 is: 25,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.92 : 41,824.86 = 18,373.80 : x
  2. Step 2: Convert to fraction form
    30,312.92/41,824.86 = 18,373.80/x
  3. Step 3: Cross multiply
    30,312.92x = 41,824.86 × 18,373.80
  4. Step 4: Simplify right side
    30,312.92x = 768,481,612.67
  5. Step 5: Solve for x
    x = 768,481,612.67/30,312.92
  6. Step 6: Final answer
    x = 25,351.62

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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.