Home / 32,172.30-48,258.81-13,455.18

Finding the Fourth Proportional to 32,172.30, 48,258.81 and 13,455.18

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Solution

The fourth proportional to 32,172.30, 48,258.81 and 13,455.18 is: 20,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,172.30 : 48,258.81 = 13,455.18 : x
  2. Step 2: Convert to fraction form
    32,172.30/48,258.81 = 13,455.18/x
  3. Step 3: Cross multiply
    32,172.30x = 48,258.81 × 13,455.18
  4. Step 4: Simplify right side
    32,172.30x = 649,330,975.14
  5. Step 5: Solve for x
    x = 649,330,975.14/32,172.30
  6. Step 6: Final answer
    x = 20,182.92

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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.