Home / 45,069.78-67,614.33-13,482.29

Finding the Fourth Proportional to 45,069.78, 67,614.33 and 13,482.29

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Solution

The fourth proportional to 45,069.78, 67,614.33 and 13,482.29 is: 20,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,069.78 : 67,614.33 = 13,482.29 : x
  2. Step 2: Convert to fraction form
    45,069.78/67,614.33 = 13,482.29/x
  3. Step 3: Cross multiply
    45,069.78x = 67,614.33 × 13,482.29
  4. Step 4: Simplify right side
    45,069.78x = 911,595,667.14
  5. Step 5: Solve for x
    x = 911,595,667.14/45,069.78
  6. Step 6: Final answer
    x = 20,226.32

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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.