Home / 36,988.92-51,042.96-21,072.69

Finding the Fourth Proportional to 36,988.92, 51,042.96 and 21,072.69

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Solution

The fourth proportional to 36,988.92, 51,042.96 and 21,072.69 is: 29,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.92 : 51,042.96 = 21,072.69 : x
  2. Step 2: Convert to fraction form
    36,988.92/51,042.96 = 21,072.69/x
  3. Step 3: Cross multiply
    36,988.92x = 51,042.96 × 21,072.69
  4. Step 4: Simplify right side
    36,988.92x = 1,075,612,472.76
  5. Step 5: Solve for x
    x = 1,075,612,472.76/36,988.92
  6. Step 6: Final answer
    x = 29,079.32

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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.