Home / 45,130.13-67,706.01-13,965.38

Finding the Fourth Proportional to 45,130.13, 67,706.01 and 13,965.38

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Solution

The fourth proportional to 45,130.13, 67,706.01 and 13,965.38 is: 20,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,130.13 : 67,706.01 = 13,965.38 : x
  2. Step 2: Convert to fraction form
    45,130.13/67,706.01 = 13,965.38/x
  3. Step 3: Cross multiply
    45,130.13x = 67,706.01 × 13,965.38
  4. Step 4: Simplify right side
    45,130.13x = 945,540,157.93
  5. Step 5: Solve for x
    x = 945,540,157.93/45,130.13
  6. Step 6: Final answer
    x = 20,951.42

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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.