Home / 32,112.60-48,168.90-28,840.20

Finding the Fourth Proportional to 32,112.60, 48,168.90 and 28,840.20

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Solution

The fourth proportional to 32,112.60, 48,168.90 and 28,840.20 is: 43,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.60 : 48,168.90 = 28,840.20 : x
  2. Step 2: Convert to fraction form
    32,112.60/48,168.90 = 28,840.20/x
  3. Step 3: Cross multiply
    32,112.60x = 48,168.90 × 28,840.20
  4. Step 4: Simplify right side
    32,112.60x = 1,389,200,709.78
  5. Step 5: Solve for x
    x = 1,389,200,709.78/32,112.60
  6. Step 6: Final answer
    x = 43,260.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.