Home / 34,907.30-48,171.68-18,991.40

Finding the Fourth Proportional to 34,907.30, 48,171.68 and 18,991.40

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Solution

The fourth proportional to 34,907.30, 48,171.68 and 18,991.40 is: 26,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.30 : 48,171.68 = 18,991.40 : x
  2. Step 2: Convert to fraction form
    34,907.30/48,171.68 = 18,991.40/x
  3. Step 3: Cross multiply
    34,907.30x = 48,171.68 × 18,991.40
  4. Step 4: Simplify right side
    34,907.30x = 914,847,643.55
  5. Step 5: Solve for x
    x = 914,847,643.55/34,907.30
  6. Step 6: Final answer
    x = 26,207.92

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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.