Home / 49,239.38-67,949.47-28,018.19

Finding the Fourth Proportional to 49,239.38, 67,949.47 and 28,018.19

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Solution

The fourth proportional to 49,239.38, 67,949.47 and 28,018.19 is: 38,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239.38 : 67,949.47 = 28,018.19 : x
  2. Step 2: Convert to fraction form
    49,239.38/67,949.47 = 28,018.19/x
  3. Step 3: Cross multiply
    49,239.38x = 67,949.47 × 28,018.19
  4. Step 4: Simplify right side
    49,239.38x = 1,903,821,160.86
  5. Step 5: Solve for x
    x = 1,903,821,160.86/49,239.38
  6. Step 6: Final answer
    x = 38,664.60

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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.