Home / 45,186.88-62,336.80-28,429.12

Finding the Fourth Proportional to 45,186.88, 62,336.80 and 28,429.12

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Solution

The fourth proportional to 45,186.88, 62,336.80 and 28,429.12 is: 39,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186.88 : 62,336.80 = 28,429.12 : x
  2. Step 2: Convert to fraction form
    45,186.88/62,336.80 = 28,429.12/x
  3. Step 3: Cross multiply
    45,186.88x = 62,336.80 × 28,429.12
  4. Step 4: Simplify right side
    45,186.88x = 1,772,180,367.62
  5. Step 5: Solve for x
    x = 1,772,180,367.62/45,186.88
  6. Step 6: Final answer
    x = 39,218.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.