Home / 55,503.10-76,596.35-31,629.16

Finding the Fourth Proportional to 55,503.10, 76,596.35 and 31,629.16

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Solution

The fourth proportional to 55,503.10, 76,596.35 and 31,629.16 is: 43,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,503.10 : 76,596.35 = 31,629.16 : x
  2. Step 2: Convert to fraction form
    55,503.10/76,596.35 = 31,629.16/x
  3. Step 3: Cross multiply
    55,503.10x = 76,596.35 × 31,629.16
  4. Step 4: Simplify right side
    55,503.10x = 2,422,678,209.57
  5. Step 5: Solve for x
    x = 2,422,678,209.57/55,503.10
  6. Step 6: Final answer
    x = 43,649.42

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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.