Home / 37,309.81-51,491.94-20,959.72

Finding the Fourth Proportional to 37,309.81, 51,491.94 and 20,959.72

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Solution

The fourth proportional to 37,309.81, 51,491.94 and 20,959.72 is: 28,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,309.81 : 51,491.94 = 20,959.72 : x
  2. Step 2: Convert to fraction form
    37,309.81/51,491.94 = 20,959.72/x
  3. Step 3: Cross multiply
    37,309.81x = 51,491.94 × 20,959.72
  4. Step 4: Simplify right side
    37,309.81x = 1,079,256,644.66
  5. Step 5: Solve for x
    x = 1,079,256,644.66/37,309.81
  6. Step 6: Final answer
    x = 28,926.89

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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.