Home / 40,415.97-60,616.71-14,128.23

Finding the Fourth Proportional to 40,415.97, 60,616.71 and 14,128.23

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Solution

The fourth proportional to 40,415.97, 60,616.71 and 14,128.23 is: 21,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.97 : 60,616.71 = 14,128.23 : x
  2. Step 2: Convert to fraction form
    40,415.97/60,616.71 = 14,128.23/x
  3. Step 3: Cross multiply
    40,415.97x = 60,616.71 × 14,128.23
  4. Step 4: Simplify right side
    40,415.97x = 856,406,820.72
  5. Step 5: Solve for x
    x = 856,406,820.72/40,415.97
  6. Step 6: Final answer
    x = 21,189.81

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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.