Home / 51,023.88-70,424.08-28,370.60

Finding the Fourth Proportional to 51,023.88, 70,424.08 and 28,370.60

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Solution

The fourth proportional to 51,023.88, 70,424.08 and 28,370.60 is: 39,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,023.88 : 70,424.08 = 28,370.60 : x
  2. Step 2: Convert to fraction form
    51,023.88/70,424.08 = 28,370.60/x
  3. Step 3: Cross multiply
    51,023.88x = 70,424.08 × 28,370.60
  4. Step 4: Simplify right side
    51,023.88x = 1,997,973,404.05
  5. Step 5: Solve for x
    x = 1,997,973,404.05/51,023.88
  6. Step 6: Final answer
    x = 39,157.61

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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.