Home / 51,185.39-70,636.35-28,216.03

Finding the Fourth Proportional to 51,185.39, 70,636.35 and 28,216.03

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Solution

The fourth proportional to 51,185.39, 70,636.35 and 28,216.03 is: 38,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,185.39 : 70,636.35 = 28,216.03 : x
  2. Step 2: Convert to fraction form
    51,185.39/70,636.35 = 28,216.03/x
  3. Step 3: Cross multiply
    51,185.39x = 70,636.35 × 28,216.03
  4. Step 4: Simplify right side
    51,185.39x = 1,993,077,432.35
  5. Step 5: Solve for x
    x = 1,993,077,432.35/51,185.39
  6. Step 6: Final answer
    x = 38,938.41

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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.