Home / 45,032.22-67,511.87-18,756.63

Finding the Fourth Proportional to 45,032.22, 67,511.87 and 18,756.63

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Solution

The fourth proportional to 45,032.22, 67,511.87 and 18,756.63 is: 28,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,032.22 : 67,511.87 = 18,756.63 : x
  2. Step 2: Convert to fraction form
    45,032.22/67,511.87 = 18,756.63/x
  3. Step 3: Cross multiply
    45,032.22x = 67,511.87 × 18,756.63
  4. Step 4: Simplify right side
    45,032.22x = 1,266,295,166.20
  5. Step 5: Solve for x
    x = 1,266,295,166.20/45,032.22
  6. Step 6: Final answer
    x = 28,119.76

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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.