Home / 45,403.14-68,161.41-30,677.34

Finding the Fourth Proportional to 45,403.14, 68,161.41 and 30,677.34

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Solution

The fourth proportional to 45,403.14, 68,161.41 and 30,677.34 is: 46,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.14 : 68,161.41 = 30,677.34 : x
  2. Step 2: Convert to fraction form
    45,403.14/68,161.41 = 30,677.34/x
  3. Step 3: Cross multiply
    45,403.14x = 68,161.41 × 30,677.34
  4. Step 4: Simplify right side
    45,403.14x = 2,091,010,749.45
  5. Step 5: Solve for x
    x = 2,091,010,749.45/45,403.14
  6. Step 6: Final answer
    x = 46,054.32

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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.