Home / 53,934.84-80,938.70-18,874.80

Finding the Fourth Proportional to 53,934.84, 80,938.70 and 18,874.80

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Solution

The fourth proportional to 53,934.84, 80,938.70 and 18,874.80 is: 28,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.84 : 80,938.70 = 18,874.80 : x
  2. Step 2: Convert to fraction form
    53,934.84/80,938.70 = 18,874.80/x
  3. Step 3: Cross multiply
    53,934.84x = 80,938.70 × 18,874.80
  4. Step 4: Simplify right side
    53,934.84x = 1,527,701,774.76
  5. Step 5: Solve for x
    x = 1,527,701,774.76/53,934.84
  6. Step 6: Final answer
    x = 28,324.95

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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.