Home / 45,072.42-67,560.95-16,980.32

Finding the Fourth Proportional to 45,072.42, 67,560.95 and 16,980.32

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Solution

The fourth proportional to 45,072.42, 67,560.95 and 16,980.32 is: 25,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,072.42 : 67,560.95 = 16,980.32 : x
  2. Step 2: Convert to fraction form
    45,072.42/67,560.95 = 16,980.32/x
  3. Step 3: Cross multiply
    45,072.42x = 67,560.95 × 16,980.32
  4. Step 4: Simplify right side
    45,072.42x = 1,147,206,127.80
  5. Step 5: Solve for x
    x = 1,147,206,127.80/45,072.42
  6. Step 6: Final answer
    x = 25,452.51

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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.