Home / 49,136.86-67,808.88-26,780.86

Finding the Fourth Proportional to 49,136.86, 67,808.88 and 26,780.86

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Solution

The fourth proportional to 49,136.86, 67,808.88 and 26,780.86 is: 36,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.86 : 67,808.88 = 26,780.86 : x
  2. Step 2: Convert to fraction form
    49,136.86/67,808.88 = 26,780.86/x
  3. Step 3: Cross multiply
    49,136.86x = 67,808.88 × 26,780.86
  4. Step 4: Simplify right side
    49,136.86x = 1,815,980,122.04
  5. Step 5: Solve for x
    x = 1,815,980,122.04/49,136.86
  6. Step 6: Final answer
    x = 36,957.59

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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.