Home / 51,122.50-76,715.62-19,535.38

Finding the Fourth Proportional to 51,122.50, 76,715.62 and 19,535.38

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Solution

The fourth proportional to 51,122.50, 76,715.62 and 19,535.38 is: 29,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.50 : 76,715.62 = 19,535.38 : x
  2. Step 2: Convert to fraction form
    51,122.50/76,715.62 = 19,535.38/x
  3. Step 3: Cross multiply
    51,122.50x = 76,715.62 × 19,535.38
  4. Step 4: Simplify right side
    51,122.50x = 1,498,668,788.64
  5. Step 5: Solve for x
    x = 1,498,668,788.64/51,122.50
  6. Step 6: Final answer
    x = 29,315.25

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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.