Home / 55,315.90-76,342.80-33,801.22

Finding the Fourth Proportional to 55,315.90, 76,342.80 and 33,801.22

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Solution

The fourth proportional to 55,315.90, 76,342.80 and 33,801.22 is: 46,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.90 : 76,342.80 = 33,801.22 : x
  2. Step 2: Convert to fraction form
    55,315.90/76,342.80 = 33,801.22/x
  3. Step 3: Cross multiply
    55,315.90x = 76,342.80 × 33,801.22
  4. Step 4: Simplify right side
    55,315.90x = 2,580,479,778.22
  5. Step 5: Solve for x
    x = 2,580,479,778.22/55,315.90
  6. Step 6: Final answer
    x = 46,649.87

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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.