Home / 43,384.39-65,086.13-18,445.77

Finding the Fourth Proportional to 43,384.39, 65,086.13 and 18,445.77

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Solution

The fourth proportional to 43,384.39, 65,086.13 and 18,445.77 is: 27,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,384.39 : 65,086.13 = 18,445.77 : x
  2. Step 2: Convert to fraction form
    43,384.39/65,086.13 = 18,445.77/x
  3. Step 3: Cross multiply
    43,384.39x = 65,086.13 × 18,445.77
  4. Step 4: Simplify right side
    43,384.39x = 1,200,563,830.28
  5. Step 5: Solve for x
    x = 1,200,563,830.28/43,384.39
  6. Step 6: Final answer
    x = 27,672.72

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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.