Home / 51,157.82-70,597.40-28,496.57

Finding the Fourth Proportional to 51,157.82, 70,597.40 and 28,496.57

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Solution

The fourth proportional to 51,157.82, 70,597.40 and 28,496.57 is: 39,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,157.82 : 70,597.40 = 28,496.57 : x
  2. Step 2: Convert to fraction form
    51,157.82/70,597.40 = 28,496.57/x
  3. Step 3: Cross multiply
    51,157.82x = 70,597.40 × 28,496.57
  4. Step 4: Simplify right side
    51,157.82x = 2,011,783,255.45
  5. Step 5: Solve for x
    x = 2,011,783,255.45/51,157.82
  6. Step 6: Final answer
    x = 39,325.04

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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.