Home / 32,091.40-48,138.20-9,904.60

Finding the Fourth Proportional to 32,091.40, 48,138.20 and 9,904.60

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Solution

The fourth proportional to 32,091.40, 48,138.20 and 9,904.60 is: 14,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,091.40 : 48,138.20 = 9,904.60 : x
  2. Step 2: Convert to fraction form
    32,091.40/48,138.20 = 9,904.60/x
  3. Step 3: Cross multiply
    32,091.40x = 48,138.20 × 9,904.60
  4. Step 4: Simplify right side
    32,091.40x = 476,789,615.72
  5. Step 5: Solve for x
    x = 476,789,615.72/32,091.40
  6. Step 6: Final answer
    x = 14,857.24

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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.