Home / 37,037.76-51,102-21,116.40

Finding the Fourth Proportional to 37,037.76, 51,102 and 21,116.40

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Solution

The fourth proportional to 37,037.76, 51,102 and 21,116.40 is: 29,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,037.76 : 51,102 = 21,116.40 : x
  2. Step 2: Convert to fraction form
    37,037.76/51,102 = 21,116.40/x
  3. Step 3: Cross multiply
    37,037.76x = 51,102 × 21,116.40
  4. Step 4: Simplify right side
    37,037.76x = 1,079,090,272.80
  5. Step 5: Solve for x
    x = 1,079,090,272.80/37,037.76
  6. Step 6: Final answer
    x = 29,134.87

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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.