Home / 45,564.21-68,338.44-20,598.45

Finding the Fourth Proportional to 45,564.21, 68,338.44 and 20,598.45

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Solution

The fourth proportional to 45,564.21, 68,338.44 and 20,598.45 is: 30,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.21 : 68,338.44 = 20,598.45 : x
  2. Step 2: Convert to fraction form
    45,564.21/68,338.44 = 20,598.45/x
  3. Step 3: Cross multiply
    45,564.21x = 68,338.44 × 20,598.45
  4. Step 4: Simplify right side
    45,564.21x = 1,407,665,836.43
  5. Step 5: Solve for x
    x = 1,407,665,836.43/45,564.21
  6. Step 6: Final answer
    x = 30,894.11

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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.