Home / 51,763.67-77,599.54-20,166.42

Finding the Fourth Proportional to 51,763.67, 77,599.54 and 20,166.42

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Solution

The fourth proportional to 51,763.67, 77,599.54 and 20,166.42 is: 30,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,763.67 : 77,599.54 = 20,166.42 : x
  2. Step 2: Convert to fraction form
    51,763.67/77,599.54 = 20,166.42/x
  3. Step 3: Cross multiply
    51,763.67x = 77,599.54 × 20,166.42
  4. Step 4: Simplify right side
    51,763.67x = 1,564,904,851.87
  5. Step 5: Solve for x
    x = 1,564,904,851.87/51,763.67
  6. Step 6: Final answer
    x = 30,231.72

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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.