Home / 55,452.60-76,525.29-31,579.34

Finding the Fourth Proportional to 55,452.60, 76,525.29 and 31,579.34

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Solution

The fourth proportional to 55,452.60, 76,525.29 and 31,579.34 is: 43,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452.60 : 76,525.29 = 31,579.34 : x
  2. Step 2: Convert to fraction form
    55,452.60/76,525.29 = 31,579.34/x
  3. Step 3: Cross multiply
    55,452.60x = 76,525.29 × 31,579.34
  4. Step 4: Simplify right side
    55,452.60x = 2,416,617,768.88
  5. Step 5: Solve for x
    x = 2,416,617,768.88/55,452.60
  6. Step 6: Final answer
    x = 43,579.88

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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.