Home / 43,821.60-65,732.40-16,130.40

Finding the Fourth Proportional to 43,821.60, 65,732.40 and 16,130.40

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Solution

The fourth proportional to 43,821.60, 65,732.40 and 16,130.40 is: 24,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.60 : 65,732.40 = 16,130.40 : x
  2. Step 2: Convert to fraction form
    43,821.60/65,732.40 = 16,130.40/x
  3. Step 3: Cross multiply
    43,821.60x = 65,732.40 × 16,130.40
  4. Step 4: Simplify right side
    43,821.60x = 1,060,289,904.96
  5. Step 5: Solve for x
    x = 1,060,289,904.96/43,821.60
  6. Step 6: Final answer
    x = 24,195.60

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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.