Home / 45,983.80-68,975.70-16,402.60

Finding the Fourth Proportional to 45,983.80, 68,975.70 and 16,402.60

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Solution

The fourth proportional to 45,983.80, 68,975.70 and 16,402.60 is: 24,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.80 : 68,975.70 = 16,402.60 : x
  2. Step 2: Convert to fraction form
    45,983.80/68,975.70 = 16,402.60/x
  3. Step 3: Cross multiply
    45,983.80x = 68,975.70 × 16,402.60
  4. Step 4: Simplify right side
    45,983.80x = 1,131,380,816.82
  5. Step 5: Solve for x
    x = 1,131,380,816.82/45,983.80
  6. Step 6: Final answer
    x = 24,603.90

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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.