Home / 45,380.07-68,070.11-19,103.27

Finding the Fourth Proportional to 45,380.07, 68,070.11 and 19,103.27

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Solution

The fourth proportional to 45,380.07, 68,070.11 and 19,103.27 is: 28,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.07 : 68,070.11 = 19,103.27 : x
  2. Step 2: Convert to fraction form
    45,380.07/68,070.11 = 19,103.27/x
  3. Step 3: Cross multiply
    45,380.07x = 68,070.11 × 19,103.27
  4. Step 4: Simplify right side
    45,380.07x = 1,300,361,254.39
  5. Step 5: Solve for x
    x = 1,300,361,254.39/45,380.07
  6. Step 6: Final answer
    x = 28,654.90

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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.