Home / 34,918.76-48,179.46-20,579.18

Finding the Fourth Proportional to 34,918.76, 48,179.46 and 20,579.18

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Solution

The fourth proportional to 34,918.76, 48,179.46 and 20,579.18 is: 28,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,918.76 : 48,179.46 = 20,579.18 : x
  2. Step 2: Convert to fraction form
    34,918.76/48,179.46 = 20,579.18/x
  3. Step 3: Cross multiply
    34,918.76x = 48,179.46 × 20,579.18
  4. Step 4: Simplify right side
    34,918.76x = 991,493,779.64
  5. Step 5: Solve for x
    x = 991,493,779.64/34,918.76
  6. Step 6: Final answer
    x = 28,394.30

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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.