Home / 55,514.71-76,608.39-31,649.07

Finding the Fourth Proportional to 55,514.71, 76,608.39 and 31,649.07

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Solution

The fourth proportional to 55,514.71, 76,608.39 and 31,649.07 is: 43,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.71 : 76,608.39 = 31,649.07 : x
  2. Step 2: Convert to fraction form
    55,514.71/76,608.39 = 31,649.07/x
  3. Step 3: Cross multiply
    55,514.71x = 76,608.39 × 31,649.07
  4. Step 4: Simplify right side
    55,514.71x = 2,424,584,297.70
  5. Step 5: Solve for x
    x = 2,424,584,297.70/55,514.71
  6. Step 6: Final answer
    x = 43,674.63

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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.