Home / 45,425.39-68,140.97-14,261.87

Finding the Fourth Proportional to 45,425.39, 68,140.97 and 14,261.87

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Solution

The fourth proportional to 45,425.39, 68,140.97 and 14,261.87 is: 21,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.39 : 68,140.97 = 14,261.87 : x
  2. Step 2: Convert to fraction form
    45,425.39/68,140.97 = 14,261.87/x
  3. Step 3: Cross multiply
    45,425.39x = 68,140.97 × 14,261.87
  4. Step 4: Simplify right side
    45,425.39x = 971,817,243.80
  5. Step 5: Solve for x
    x = 971,817,243.80/45,425.39
  6. Step 6: Final answer
    x = 21,393.70

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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.