Home / 51,259.35-70,739.96-28,600.32

Finding the Fourth Proportional to 51,259.35, 70,739.96 and 28,600.32

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Solution

The fourth proportional to 51,259.35, 70,739.96 and 28,600.32 is: 39,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.35 : 70,739.96 = 28,600.32 : x
  2. Step 2: Convert to fraction form
    51,259.35/70,739.96 = 28,600.32/x
  3. Step 3: Cross multiply
    51,259.35x = 70,739.96 × 28,600.32
  4. Step 4: Simplify right side
    51,259.35x = 2,023,185,416.10
  5. Step 5: Solve for x
    x = 2,023,185,416.10/51,259.35
  6. Step 6: Final answer
    x = 39,469.59

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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.