Home / 45,029.22-67,507.38-18,753.63

Finding the Fourth Proportional to 45,029.22, 67,507.38 and 18,753.63

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Solution

The fourth proportional to 45,029.22, 67,507.38 and 18,753.63 is: 28,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.22 : 67,507.38 = 18,753.63 : x
  2. Step 2: Convert to fraction form
    45,029.22/67,507.38 = 18,753.63/x
  3. Step 3: Cross multiply
    45,029.22x = 67,507.38 × 18,753.63
  4. Step 4: Simplify right side
    45,029.22x = 1,266,008,333.02
  5. Step 5: Solve for x
    x = 1,266,008,333.02/45,029.22
  6. Step 6: Final answer
    x = 28,115.26

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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.