Home / 67,295.07-100,943.42-28,821.39

Finding the Fourth Proportional to 67,295.07, 100,943.42 and 28,821.39

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Solution

The fourth proportional to 67,295.07, 100,943.42 and 28,821.39 is: 43,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.07 : 100,943.42 = 28,821.39 : x
  2. Step 2: Convert to fraction form
    67,295.07/100,943.42 = 28,821.39/x
  3. Step 3: Cross multiply
    67,295.07x = 100,943.42 × 28,821.39
  4. Step 4: Simplify right side
    67,295.07x = 2,909,329,153.11
  5. Step 5: Solve for x
    x = 2,909,329,153.11/67,295.07
  6. Step 6: Final answer
    x = 43,232.43

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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.