Home / 37,131.93-51,261.97-28,677.80

Finding the Fourth Proportional to 37,131.93, 51,261.97 and 28,677.80

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Solution

The fourth proportional to 37,131.93, 51,261.97 and 28,677.80 is: 39,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.93 : 51,261.97 = 28,677.80 : x
  2. Step 2: Convert to fraction form
    37,131.93/51,261.97 = 28,677.80/x
  3. Step 3: Cross multiply
    37,131.93x = 51,261.97 × 28,677.80
  4. Step 4: Simplify right side
    37,131.93x = 1,470,080,523.27
  5. Step 5: Solve for x
    x = 1,470,080,523.27/37,131.93
  6. Step 6: Final answer
    x = 39,590.74

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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.