Home / 43,153.60-64,755.42-18,191.74

Finding the Fourth Proportional to 43,153.60, 64,755.42 and 18,191.74

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Solution

The fourth proportional to 43,153.60, 64,755.42 and 18,191.74 is: 27,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,153.60 : 64,755.42 = 18,191.74 : x
  2. Step 2: Convert to fraction form
    43,153.60/64,755.42 = 18,191.74/x
  3. Step 3: Cross multiply
    43,153.60x = 64,755.42 × 18,191.74
  4. Step 4: Simplify right side
    43,153.60x = 1,178,013,764.23
  5. Step 5: Solve for x
    x = 1,178,013,764.23/43,153.60
  6. Step 6: Final answer
    x = 27,298.16

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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.