Home / 30,550.36-45,830.98-15,755.28

Finding the Fourth Proportional to 30,550.36, 45,830.98 and 15,755.28

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Solution

The fourth proportional to 30,550.36, 45,830.98 and 15,755.28 is: 23,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.36 : 45,830.98 = 15,755.28 : x
  2. Step 2: Convert to fraction form
    30,550.36/45,830.98 = 15,755.28/x
  3. Step 3: Cross multiply
    30,550.36x = 45,830.98 × 15,755.28
  4. Step 4: Simplify right side
    30,550.36x = 722,079,922.57
  5. Step 5: Solve for x
    x = 722,079,922.57/30,550.36
  6. Step 6: Final answer
    x = 23,635.73

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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.