Home / 32,130.60-48,195.90-28,858.20

Finding the Fourth Proportional to 32,130.60, 48,195.90 and 28,858.20

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Solution

The fourth proportional to 32,130.60, 48,195.90 and 28,858.20 is: 43,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.60 : 48,195.90 = 28,858.20 : x
  2. Step 2: Convert to fraction form
    32,130.60/48,195.90 = 28,858.20/x
  3. Step 3: Cross multiply
    32,130.60x = 48,195.90 × 28,858.20
  4. Step 4: Simplify right side
    32,130.60x = 1,390,846,921.38
  5. Step 5: Solve for x
    x = 1,390,846,921.38/32,130.60
  6. Step 6: Final answer
    x = 43,287.30

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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.