Home / 49,275.12-67,989.60-28,048.80

Finding the Fourth Proportional to 49,275.12, 67,989.60 and 28,048.80

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Solution

The fourth proportional to 49,275.12, 67,989.60 and 28,048.80 is: 38,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,275.12 : 67,989.60 = 28,048.80 : x
  2. Step 2: Convert to fraction form
    49,275.12/67,989.60 = 28,048.80/x
  3. Step 3: Cross multiply
    49,275.12x = 67,989.60 × 28,048.80
  4. Step 4: Simplify right side
    49,275.12x = 1,907,026,692.48
  5. Step 5: Solve for x
    x = 1,907,026,692.48/49,275.12
  6. Step 6: Final answer
    x = 38,701.61

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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.