Home / 49,291.12-68,013.88-28,070.80

Finding the Fourth Proportional to 49,291.12, 68,013.88 and 28,070.80

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Solution

The fourth proportional to 49,291.12, 68,013.88 and 28,070.80 is: 38,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,291.12 : 68,013.88 = 28,070.80 : x
  2. Step 2: Convert to fraction form
    49,291.12/68,013.88 = 28,070.80/x
  3. Step 3: Cross multiply
    49,291.12x = 68,013.88 × 28,070.80
  4. Step 4: Simplify right side
    49,291.12x = 1,909,204,022.70
  5. Step 5: Solve for x
    x = 1,909,204,022.70/49,291.12
  6. Step 6: Final answer
    x = 38,733.22

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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.