Home / 36,930.57-50,969.57-21,018.93

Finding the Fourth Proportional to 36,930.57, 50,969.57 and 21,018.93

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Solution

The fourth proportional to 36,930.57, 50,969.57 and 21,018.93 is: 29,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.57 : 50,969.57 = 21,018.93 : x
  2. Step 2: Convert to fraction form
    36,930.57/50,969.57 = 21,018.93/x
  3. Step 3: Cross multiply
    36,930.57x = 50,969.57 × 21,018.93
  4. Step 4: Simplify right side
    36,930.57x = 1,071,325,718.87
  5. Step 5: Solve for x
    x = 1,071,325,718.87/36,930.57
  6. Step 6: Final answer
    x = 29,009.18

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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.