Home / 40,951.12-61,352.16-28,444.72

Finding the Fourth Proportional to 40,951.12, 61,352.16 and 28,444.72

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Solution

The fourth proportional to 40,951.12, 61,352.16 and 28,444.72 is: 42,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,951.12 : 61,352.16 = 28,444.72 : x
  2. Step 2: Convert to fraction form
    40,951.12/61,352.16 = 28,444.72/x
  3. Step 3: Cross multiply
    40,951.12x = 61,352.16 × 28,444.72
  4. Step 4: Simplify right side
    40,951.12x = 1,745,145,012.60
  5. Step 5: Solve for x
    x = 1,745,145,012.60/40,951.12
  6. Step 6: Final answer
    x = 42,615.32

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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.