Home / 49,000.65-67,620.83-27,779.91

Finding the Fourth Proportional to 49,000.65, 67,620.83 and 27,779.91

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Solution

The fourth proportional to 49,000.65, 67,620.83 and 27,779.91 is: 38,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,000.65 : 67,620.83 = 27,779.91 : x
  2. Step 2: Convert to fraction form
    49,000.65/67,620.83 = 27,779.91/x
  3. Step 3: Cross multiply
    49,000.65x = 67,620.83 × 27,779.91
  4. Step 4: Simplify right side
    49,000.65x = 1,878,500,559.41
  5. Step 5: Solve for x
    x = 1,878,500,559.41/49,000.65
  6. Step 6: Final answer
    x = 38,336.24

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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.