Home / 36,979.56-51,036.29-20,849.98

Finding the Fourth Proportional to 36,979.56, 51,036.29 and 20,849.98

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Solution

The fourth proportional to 36,979.56, 51,036.29 and 20,849.98 is: 28,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.56 : 51,036.29 = 20,849.98 : x
  2. Step 2: Convert to fraction form
    36,979.56/51,036.29 = 20,849.98/x
  3. Step 3: Cross multiply
    36,979.56x = 51,036.29 × 20,849.98
  4. Step 4: Simplify right side
    36,979.56x = 1,064,105,393.93
  5. Step 5: Solve for x
    x = 1,064,105,393.93/36,979.56
  6. Step 6: Final answer
    x = 28,775.50

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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.