Home / 45,425.43-68,149.14-14,260.68

Finding the Fourth Proportional to 45,425.43, 68,149.14 and 14,260.68

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Solution

The fourth proportional to 45,425.43, 68,149.14 and 14,260.68 is: 21,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.43 : 68,149.14 = 14,260.68 : x
  2. Step 2: Convert to fraction form
    45,425.43/68,149.14 = 14,260.68/x
  3. Step 3: Cross multiply
    45,425.43x = 68,149.14 × 14,260.68
  4. Step 4: Simplify right side
    45,425.43x = 971,853,077.82
  5. Step 5: Solve for x
    x = 971,853,077.82/45,425.43
  6. Step 6: Final answer
    x = 21,394.47

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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.