Home / 32,143.36-48,213.60-8,769.72

Finding the Fourth Proportional to 32,143.36, 48,213.60 and 8,769.72

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Solution

The fourth proportional to 32,143.36, 48,213.60 and 8,769.72 is: 13,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,143.36 : 48,213.60 = 8,769.72 : x
  2. Step 2: Convert to fraction form
    32,143.36/48,213.60 = 8,769.72/x
  3. Step 3: Cross multiply
    32,143.36x = 48,213.60 × 8,769.72
  4. Step 4: Simplify right side
    32,143.36x = 422,819,772.19
  5. Step 5: Solve for x
    x = 422,819,772.19/32,143.36
  6. Step 6: Final answer
    x = 13,154.19

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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.