Home / 37,309.06-51,490.91-20,958.97

Finding the Fourth Proportional to 37,309.06, 51,490.91 and 20,958.97

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Solution

The fourth proportional to 37,309.06, 51,490.91 and 20,958.97 is: 28,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,309.06 : 51,490.91 = 20,958.97 : x
  2. Step 2: Convert to fraction form
    37,309.06/51,490.91 = 20,958.97/x
  3. Step 3: Cross multiply
    37,309.06x = 51,490.91 × 20,958.97
  4. Step 4: Simplify right side
    37,309.06x = 1,079,196,437.96
  5. Step 5: Solve for x
    x = 1,079,196,437.96/37,309.06
  6. Step 6: Final answer
    x = 28,925.85

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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.