Home / 51,294-76,943.88-14,360.88

Finding the Fourth Proportional to 51,294, 76,943.88 and 14,360.88

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Solution

The fourth proportional to 51,294, 76,943.88 and 14,360.88 is: 21,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,294 : 76,943.88 = 14,360.88 : x
  2. Step 2: Convert to fraction form
    51,294/76,943.88 = 14,360.88/x
  3. Step 3: Cross multiply
    51,294x = 76,943.88 × 14,360.88
  4. Step 4: Simplify right side
    51,294x = 1,104,981,827.41
  5. Step 5: Solve for x
    x = 1,104,981,827.41/51,294
  6. Step 6: Final answer
    x = 21,542.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.