Home / 51,285.33-76,752.90-42,974.73

Finding the Fourth Proportional to 51,285.33, 76,752.90 and 42,974.73

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Solution

The fourth proportional to 51,285.33, 76,752.90 and 42,974.73 is: 64,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.33 : 76,752.90 = 42,974.73 : x
  2. Step 2: Convert to fraction form
    51,285.33/76,752.90 = 42,974.73/x
  3. Step 3: Cross multiply
    51,285.33x = 76,752.90 × 42,974.73
  4. Step 4: Simplify right side
    51,285.33x = 3,298,435,154.22
  5. Step 5: Solve for x
    x = 3,298,435,154.22/51,285.33
  6. Step 6: Final answer
    x = 64,315.37

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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.