Home / 45,202.07-67,777.58-18,540.65

Finding the Fourth Proportional to 45,202.07, 67,777.58 and 18,540.65

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Solution

The fourth proportional to 45,202.07, 67,777.58 and 18,540.65 is: 27,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,202.07 : 67,777.58 = 18,540.65 : x
  2. Step 2: Convert to fraction form
    45,202.07/67,777.58 = 18,540.65/x
  3. Step 3: Cross multiply
    45,202.07x = 67,777.58 × 18,540.65
  4. Step 4: Simplify right side
    45,202.07x = 1,256,639,957.04
  5. Step 5: Solve for x
    x = 1,256,639,957.04/45,202.07
  6. Step 6: Final answer
    x = 27,800.50

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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.