Home / 67,971.06-101,974.91-28,517.58

Finding the Fourth Proportional to 67,971.06, 101,974.91 and 28,517.58

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Solution

The fourth proportional to 67,971.06, 101,974.91 and 28,517.58 is: 42,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,971.06 : 101,974.91 = 28,517.58 : x
  2. Step 2: Convert to fraction form
    67,971.06/101,974.91 = 28,517.58/x
  3. Step 3: Cross multiply
    67,971.06x = 101,974.91 × 28,517.58
  4. Step 4: Simplify right side
    67,971.06x = 2,908,077,511.33
  5. Step 5: Solve for x
    x = 2,908,077,511.33/67,971.06
  6. Step 6: Final answer
    x = 42,784.05

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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.