Home / 45,089.37-67,615.22-13,488.03

Finding the Fourth Proportional to 45,089.37, 67,615.22 and 13,488.03

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Solution

The fourth proportional to 45,089.37, 67,615.22 and 13,488.03 is: 20,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,089.37 : 67,615.22 = 13,488.03 : x
  2. Step 2: Convert to fraction form
    45,089.37/67,615.22 = 13,488.03/x
  3. Step 3: Cross multiply
    45,089.37x = 67,615.22 × 13,488.03
  4. Step 4: Simplify right side
    45,089.37x = 911,996,149.54
  5. Step 5: Solve for x
    x = 911,996,149.54/45,089.37
  6. Step 6: Final answer
    x = 20,226.41

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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.