Home / 43,981.32-65,998.71-19,016.58

Finding the Fourth Proportional to 43,981.32, 65,998.71 and 19,016.58

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Solution

The fourth proportional to 43,981.32, 65,998.71 and 19,016.58 is: 28,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.32 : 65,998.71 = 19,016.58 : x
  2. Step 2: Convert to fraction form
    43,981.32/65,998.71 = 19,016.58/x
  3. Step 3: Cross multiply
    43,981.32x = 65,998.71 × 19,016.58
  4. Step 4: Simplify right side
    43,981.32x = 1,255,069,748.61
  5. Step 5: Solve for x
    x = 1,255,069,748.61/43,981.32
  6. Step 6: Final answer
    x = 28,536.43

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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.