Home / 53,834.46-80,750.97-18,774

Finding the Fourth Proportional to 53,834.46, 80,750.97 and 18,774

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Solution

The fourth proportional to 53,834.46, 80,750.97 and 18,774 is: 28,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,834.46 : 80,750.97 = 18,774 : x
  2. Step 2: Convert to fraction form
    53,834.46/80,750.97 = 18,774/x
  3. Step 3: Cross multiply
    53,834.46x = 80,750.97 × 18,774
  4. Step 4: Simplify right side
    53,834.46x = 1,516,018,710.78
  5. Step 5: Solve for x
    x = 1,516,018,710.78/53,834.46
  6. Step 6: Final answer
    x = 28,160.75

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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.