Home / 45,327.49-67,989.18-15,747.64

Finding the Fourth Proportional to 45,327.49, 67,989.18 and 15,747.64

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Solution

The fourth proportional to 45,327.49, 67,989.18 and 15,747.64 is: 23,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.49 : 67,989.18 = 15,747.64 : x
  2. Step 2: Convert to fraction form
    45,327.49/67,989.18 = 15,747.64/x
  3. Step 3: Cross multiply
    45,327.49x = 67,989.18 × 15,747.64
  4. Step 4: Simplify right side
    45,327.49x = 1,070,669,130.54
  5. Step 5: Solve for x
    x = 1,070,669,130.54/45,327.49
  6. Step 6: Final answer
    x = 23,620.75

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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.