Home / 45,460.58-68,190.74-20,471.38

Finding the Fourth Proportional to 45,460.58, 68,190.74 and 20,471.38

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Solution

The fourth proportional to 45,460.58, 68,190.74 and 20,471.38 is: 30,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,460.58 : 68,190.74 = 20,471.38 : x
  2. Step 2: Convert to fraction form
    45,460.58/68,190.74 = 20,471.38/x
  3. Step 3: Cross multiply
    45,460.58x = 68,190.74 × 20,471.38
  4. Step 4: Simplify right side
    45,460.58x = 1,395,958,278.19
  5. Step 5: Solve for x
    x = 1,395,958,278.19/45,460.58
  6. Step 6: Final answer
    x = 30,707.00

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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.