Home / 49,239.88-67,950.16-28,018.69

Finding the Fourth Proportional to 49,239.88, 67,950.16 and 28,018.69

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Solution

The fourth proportional to 49,239.88, 67,950.16 and 28,018.69 is: 38,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239.88 : 67,950.16 = 28,018.69 : x
  2. Step 2: Convert to fraction form
    49,239.88/67,950.16 = 28,018.69/x
  3. Step 3: Cross multiply
    49,239.88x = 67,950.16 × 28,018.69
  4. Step 4: Simplify right side
    49,239.88x = 1,903,874,468.49
  5. Step 5: Solve for x
    x = 1,903,874,468.49/49,239.88
  6. Step 6: Final answer
    x = 38,665.29

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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.