Home / 35,769.60-53,611.20-18,230.40

Finding the Fourth Proportional to 35,769.60, 53,611.20 and 18,230.40

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Solution

The fourth proportional to 35,769.60, 53,611.20 and 18,230.40 is: 27,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,769.60 : 53,611.20 = 18,230.40 : x
  2. Step 2: Convert to fraction form
    35,769.60/53,611.20 = 18,230.40/x
  3. Step 3: Cross multiply
    35,769.60x = 53,611.20 × 18,230.40
  4. Step 4: Simplify right side
    35,769.60x = 977,353,620.48
  5. Step 5: Solve for x
    x = 977,353,620.48/35,769.60
  6. Step 6: Final answer
    x = 27,323.58

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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.