Home / 30,648.15-45,948.84-15,847.62

Finding the Fourth Proportional to 30,648.15, 45,948.84 and 15,847.62

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Solution

The fourth proportional to 30,648.15, 45,948.84 and 15,847.62 is: 23,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,648.15 : 45,948.84 = 15,847.62 : x
  2. Step 2: Convert to fraction form
    30,648.15/45,948.84 = 15,847.62/x
  3. Step 3: Cross multiply
    30,648.15x = 45,948.84 × 15,847.62
  4. Step 4: Simplify right side
    30,648.15x = 728,179,755.76
  5. Step 5: Solve for x
    x = 728,179,755.76/30,648.15
  6. Step 6: Final answer
    x = 23,759.34

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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.