Home / 45,118.80-67,665.06-13,527.60

Finding the Fourth Proportional to 45,118.80, 67,665.06 and 13,527.60

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Solution

The fourth proportional to 45,118.80, 67,665.06 and 13,527.60 is: 20,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,118.80 : 67,665.06 = 13,527.60 : x
  2. Step 2: Convert to fraction form
    45,118.80/67,665.06 = 13,527.60/x
  3. Step 3: Cross multiply
    45,118.80x = 67,665.06 × 13,527.60
  4. Step 4: Simplify right side
    45,118.80x = 915,345,865.66
  5. Step 5: Solve for x
    x = 915,345,865.66/45,118.80
  6. Step 6: Final answer
    x = 20,287.46

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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.