Home / 51,197.20-70,657.86-28,538.26

Finding the Fourth Proportional to 51,197.20, 70,657.86 and 28,538.26

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Solution

The fourth proportional to 51,197.20, 70,657.86 and 28,538.26 is: 39,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.20 : 70,657.86 = 28,538.26 : x
  2. Step 2: Convert to fraction form
    51,197.20/70,657.86 = 28,538.26/x
  3. Step 3: Cross multiply
    51,197.20x = 70,657.86 × 28,538.26
  4. Step 4: Simplify right side
    51,197.20x = 2,016,452,379.72
  5. Step 5: Solve for x
    x = 2,016,452,379.72/51,197.20
  6. Step 6: Final answer
    x = 39,385.99

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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.