Home / 20,473.10-30,654.96-13,037.30

Finding the Fourth Proportional to 20,473.10, 30,654.96 and 13,037.30

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Solution

The fourth proportional to 20,473.10, 30,654.96 and 13,037.30 is: 19,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.10 : 30,654.96 = 13,037.30 : x
  2. Step 2: Convert to fraction form
    20,473.10/30,654.96 = 13,037.30/x
  3. Step 3: Cross multiply
    20,473.10x = 30,654.96 × 13,037.30
  4. Step 4: Simplify right side
    20,473.10x = 399,657,910.01
  5. Step 5: Solve for x
    x = 399,657,910.01/20,473.10
  6. Step 6: Final answer
    x = 19,521.12

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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.