Home / 45,069.47-67,579.25-18,434.16

Finding the Fourth Proportional to 45,069.47, 67,579.25 and 18,434.16

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Solution

The fourth proportional to 45,069.47, 67,579.25 and 18,434.16 is: 27,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,069.47 : 67,579.25 = 18,434.16 : x
  2. Step 2: Convert to fraction form
    45,069.47/67,579.25 = 18,434.16/x
  3. Step 3: Cross multiply
    45,069.47x = 67,579.25 × 18,434.16
  4. Step 4: Simplify right side
    45,069.47x = 1,245,766,804.03
  5. Step 5: Solve for x
    x = 1,245,766,804.03/45,069.47
  6. Step 6: Final answer
    x = 27,641.03

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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.