Home / 43,211.67-59,619.61-28,126.50

Finding the Fourth Proportional to 43,211.67, 59,619.61 and 28,126.50

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Solution

The fourth proportional to 43,211.67, 59,619.61 and 28,126.50 is: 38,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.67 : 59,619.61 = 28,126.50 : x
  2. Step 2: Convert to fraction form
    43,211.67/59,619.61 = 28,126.50/x
  3. Step 3: Cross multiply
    43,211.67x = 59,619.61 × 28,126.50
  4. Step 4: Simplify right side
    43,211.67x = 1,676,890,960.67
  5. Step 5: Solve for x
    x = 1,676,890,960.67/43,211.67
  6. Step 6: Final answer
    x = 38,806.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.