Home / 37,132.10-51,242.31-20,136.34

Finding the Fourth Proportional to 37,132.10, 51,242.31 and 20,136.34

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Solution

The fourth proportional to 37,132.10, 51,242.31 and 20,136.34 is: 27,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.10 : 51,242.31 = 20,136.34 : x
  2. Step 2: Convert to fraction form
    37,132.10/51,242.31 = 20,136.34/x
  3. Step 3: Cross multiply
    37,132.10x = 51,242.31 × 20,136.34
  4. Step 4: Simplify right side
    37,132.10x = 1,031,832,528.65
  5. Step 5: Solve for x
    x = 1,031,832,528.65/37,132.10
  6. Step 6: Final answer
    x = 27,788.15

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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.