Home / 36,979.44-51,036.94-21,065.40

Finding the Fourth Proportional to 36,979.44, 51,036.94 and 21,065.40

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Solution

The fourth proportional to 36,979.44, 51,036.94 and 21,065.40 is: 29,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.44 : 51,036.94 = 21,065.40 : x
  2. Step 2: Convert to fraction form
    36,979.44/51,036.94 = 21,065.40/x
  3. Step 3: Cross multiply
    36,979.44x = 51,036.94 × 21,065.40
  4. Step 4: Simplify right side
    36,979.44x = 1,075,113,555.88
  5. Step 5: Solve for x
    x = 1,075,113,555.88/36,979.44
  6. Step 6: Final answer
    x = 29,073.28

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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.