Home / 56,640.90-84,958.65-19,197.30

Finding the Fourth Proportional to 56,640.90, 84,958.65 and 19,197.30

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Solution

The fourth proportional to 56,640.90, 84,958.65 and 19,197.30 is: 28,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,640.90 : 84,958.65 = 19,197.30 : x
  2. Step 2: Convert to fraction form
    56,640.90/84,958.65 = 19,197.30/x
  3. Step 3: Cross multiply
    56,640.90x = 84,958.65 × 19,197.30
  4. Step 4: Simplify right side
    56,640.90x = 1,630,976,691.65
  5. Step 5: Solve for x
    x = 1,630,976,691.65/56,640.90
  6. Step 6: Final answer
    x = 28,795.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.