Home / 45,028.18-67,555.31-13,868.02

Finding the Fourth Proportional to 45,028.18, 67,555.31 and 13,868.02

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Solution

The fourth proportional to 45,028.18, 67,555.31 and 13,868.02 is: 20,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.18 : 67,555.31 = 13,868.02 : x
  2. Step 2: Convert to fraction form
    45,028.18/67,555.31 = 13,868.02/x
  3. Step 3: Cross multiply
    45,028.18x = 67,555.31 × 13,868.02
  4. Step 4: Simplify right side
    45,028.18x = 936,858,390.19
  5. Step 5: Solve for x
    x = 936,858,390.19/45,028.18
  6. Step 6: Final answer
    x = 20,806.05

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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.