Home / 36,989.25-51,047.21-21,070.65

Finding the Fourth Proportional to 36,989.25, 51,047.21 and 21,070.65

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Solution

The fourth proportional to 36,989.25, 51,047.21 and 21,070.65 is: 29,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.25 : 51,047.21 = 21,070.65 : x
  2. Step 2: Convert to fraction form
    36,989.25/51,047.21 = 21,070.65/x
  3. Step 3: Cross multiply
    36,989.25x = 51,047.21 × 21,070.65
  4. Step 4: Simplify right side
    36,989.25x = 1,075,597,895.39
  5. Step 5: Solve for x
    x = 1,075,597,895.39/36,989.25
  6. Step 6: Final answer
    x = 29,078.66

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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.