Home / 45,025.28-67,538.80-13,860.50

Finding the Fourth Proportional to 45,025.28, 67,538.80 and 13,860.50

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Solution

The fourth proportional to 45,025.28, 67,538.80 and 13,860.50 is: 20,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,025.28 : 67,538.80 = 13,860.50 : x
  2. Step 2: Convert to fraction form
    45,025.28/67,538.80 = 13,860.50/x
  3. Step 3: Cross multiply
    45,025.28x = 67,538.80 × 13,860.50
  4. Step 4: Simplify right side
    45,025.28x = 936,121,537.40
  5. Step 5: Solve for x
    x = 936,121,537.40/45,025.28
  6. Step 6: Final answer
    x = 20,791.02

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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.