Home / 55,179.90-76,147.56-30,029.40

Finding the Fourth Proportional to 55,179.90, 76,147.56 and 30,029.40

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Solution

The fourth proportional to 55,179.90, 76,147.56 and 30,029.40 is: 41,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,179.90 : 76,147.56 = 30,029.40 : x
  2. Step 2: Convert to fraction form
    55,179.90/76,147.56 = 30,029.40/x
  3. Step 3: Cross multiply
    55,179.90x = 76,147.56 × 30,029.40
  4. Step 4: Simplify right side
    55,179.90x = 2,286,665,538.26
  5. Step 5: Solve for x
    x = 2,286,665,538.26/55,179.90
  6. Step 6: Final answer
    x = 41,440.19

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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.