Home / 37,168.65-51,292.76-20,172.89

Finding the Fourth Proportional to 37,168.65, 51,292.76 and 20,172.89

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Solution

The fourth proportional to 37,168.65, 51,292.76 and 20,172.89 is: 27,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,168.65 : 51,292.76 = 20,172.89 : x
  2. Step 2: Convert to fraction form
    37,168.65/51,292.76 = 20,172.89/x
  3. Step 3: Cross multiply
    37,168.65x = 51,292.76 × 20,172.89
  4. Step 4: Simplify right side
    37,168.65x = 1,034,723,205.28
  5. Step 5: Solve for x
    x = 1,034,723,205.28/37,168.65
  6. Step 6: Final answer
    x = 27,838.60

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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.