Home / 49,151.21-73,665.23-21,038.33

Finding the Fourth Proportional to 49,151.21, 73,665.23 and 21,038.33

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Solution

The fourth proportional to 49,151.21, 73,665.23 and 21,038.33 is: 31,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,151.21 : 73,665.23 = 21,038.33 : x
  2. Step 2: Convert to fraction form
    49,151.21/73,665.23 = 21,038.33/x
  3. Step 3: Cross multiply
    49,151.21x = 73,665.23 × 21,038.33
  4. Step 4: Simplify right side
    49,151.21x = 1,549,792,944.75
  5. Step 5: Solve for x
    x = 1,549,792,944.75/49,151.21
  6. Step 6: Final answer
    x = 31,531.13

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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.