Home / 36,979.35-51,033.56-21,068.79

Finding the Fourth Proportional to 36,979.35, 51,033.56 and 21,068.79

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Solution

The fourth proportional to 36,979.35, 51,033.56 and 21,068.79 is: 29,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.35 : 51,033.56 = 21,068.79 : x
  2. Step 2: Convert to fraction form
    36,979.35/51,033.56 = 21,068.79/x
  3. Step 3: Cross multiply
    36,979.35x = 51,033.56 × 21,068.79
  4. Step 4: Simplify right side
    36,979.35x = 1,075,215,253.25
  5. Step 5: Solve for x
    x = 1,075,215,253.25/36,979.35
  6. Step 6: Final answer
    x = 29,076.10

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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.