Home / 43,476.13-65,107.27-21,217.74

Finding the Fourth Proportional to 43,476.13, 65,107.27 and 21,217.74

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Solution

The fourth proportional to 43,476.13, 65,107.27 and 21,217.74 is: 31,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,476.13 : 65,107.27 = 21,217.74 : x
  2. Step 2: Convert to fraction form
    43,476.13/65,107.27 = 21,217.74/x
  3. Step 3: Cross multiply
    43,476.13x = 65,107.27 × 21,217.74
  4. Step 4: Simplify right side
    43,476.13x = 1,381,429,126.97
  5. Step 5: Solve for x
    x = 1,381,429,126.97/43,476.13
  6. Step 6: Final answer
    x = 31,774.43

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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.