Home / 30,352.35-45,512.33-12,802.35

Finding the Fourth Proportional to 30,352.35, 45,512.33 and 12,802.35

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Solution

The fourth proportional to 30,352.35, 45,512.33 and 12,802.35 is: 19,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.35 : 45,512.33 = 12,802.35 : x
  2. Step 2: Convert to fraction form
    30,352.35/45,512.33 = 12,802.35/x
  3. Step 3: Cross multiply
    30,352.35x = 45,512.33 × 12,802.35
  4. Step 4: Simplify right side
    30,352.35x = 582,664,713.96
  5. Step 5: Solve for x
    x = 582,664,713.96/30,352.35
  6. Step 6: Final answer
    x = 19,196.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.