Home / 49,145.04-67,820-26,789.04

Finding the Fourth Proportional to 49,145.04, 67,820 and 26,789.04

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Solution

The fourth proportional to 49,145.04, 67,820 and 26,789.04 is: 36,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.04 : 67,820 = 26,789.04 : x
  2. Step 2: Convert to fraction form
    49,145.04/67,820 = 26,789.04/x
  3. Step 3: Cross multiply
    49,145.04x = 67,820 × 26,789.04
  4. Step 4: Simplify right side
    49,145.04x = 1,816,832,692.80
  5. Step 5: Solve for x
    x = 1,816,832,692.80/49,145.04
  6. Step 6: Final answer
    x = 36,968.79

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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.