Home / 69,022.86-103,534.65-19,103.10

Finding the Fourth Proportional to 69,022.86, 103,534.65 and 19,103.10

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Solution

The fourth proportional to 69,022.86, 103,534.65 and 19,103.10 is: 28,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,022.86 : 103,534.65 = 19,103.10 : x
  2. Step 2: Convert to fraction form
    69,022.86/103,534.65 = 19,103.10/x
  3. Step 3: Cross multiply
    69,022.86x = 103,534.65 × 19,103.10
  4. Step 4: Simplify right side
    69,022.86x = 1,977,832,772.42
  5. Step 5: Solve for x
    x = 1,977,832,772.42/69,022.86
  6. Step 6: Final answer
    x = 28,654.75

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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.