Home / 49,346.58-68,104.77-28,120.98

Finding the Fourth Proportional to 49,346.58, 68,104.77 and 28,120.98

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Solution

The fourth proportional to 49,346.58, 68,104.77 and 28,120.98 is: 38,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,346.58 : 68,104.77 = 28,120.98 : x
  2. Step 2: Convert to fraction form
    49,346.58/68,104.77 = 28,120.98/x
  3. Step 3: Cross multiply
    49,346.58x = 68,104.77 × 28,120.98
  4. Step 4: Simplify right side
    49,346.58x = 1,915,172,875.07
  5. Step 5: Solve for x
    x = 1,915,172,875.07/49,346.58
  6. Step 6: Final answer
    x = 38,810.65

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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.