Home / 20,461.82-30,689.18-5,672.23

Finding the Fourth Proportional to 20,461.82, 30,689.18 and 5,672.23

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Solution

The fourth proportional to 20,461.82, 30,689.18 and 5,672.23 is: 8,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.82 : 30,689.18 = 5,672.23 : x
  2. Step 2: Convert to fraction form
    20,461.82/30,689.18 = 5,672.23/x
  3. Step 3: Cross multiply
    20,461.82x = 30,689.18 × 5,672.23
  4. Step 4: Simplify right side
    20,461.82x = 174,076,003.66
  5. Step 5: Solve for x
    x = 174,076,003.66/20,461.82
  6. Step 6: Final answer
    x = 8,507.36

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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.