Home / 29,191.65-40,268.27-19,136.31

Finding the Fourth Proportional to 29,191.65, 40,268.27 and 19,136.31

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Solution

The fourth proportional to 29,191.65, 40,268.27 and 19,136.31 is: 26,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.65 : 40,268.27 = 19,136.31 : x
  2. Step 2: Convert to fraction form
    29,191.65/40,268.27 = 19,136.31/x
  3. Step 3: Cross multiply
    29,191.65x = 40,268.27 × 19,136.31
  4. Step 4: Simplify right side
    29,191.65x = 770,586,002.20
  5. Step 5: Solve for x
    x = 770,586,002.20/29,191.65
  6. Step 6: Final answer
    x = 26,397.48

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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.