Home / 43,423.60-65,135.40-23,740.60

Finding the Fourth Proportional to 43,423.60, 65,135.40 and 23,740.60

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Solution

The fourth proportional to 43,423.60, 65,135.40 and 23,740.60 is: 35,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,423.60 : 65,135.40 = 23,740.60 : x
  2. Step 2: Convert to fraction form
    43,423.60/65,135.40 = 23,740.60/x
  3. Step 3: Cross multiply
    43,423.60x = 65,135.40 × 23,740.60
  4. Step 4: Simplify right side
    43,423.60x = 1,546,353,477.24
  5. Step 5: Solve for x
    x = 1,546,353,477.24/43,423.60
  6. Step 6: Final answer
    x = 35,610.90

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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.