Home / 48,272.68-66,620.37-28,131.22

Finding the Fourth Proportional to 48,272.68, 66,620.37 and 28,131.22

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Solution

The fourth proportional to 48,272.68, 66,620.37 and 28,131.22 is: 38,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,272.68 : 66,620.37 = 28,131.22 : x
  2. Step 2: Convert to fraction form
    48,272.68/66,620.37 = 28,131.22/x
  3. Step 3: Cross multiply
    48,272.68x = 66,620.37 × 28,131.22
  4. Step 4: Simplify right side
    48,272.68x = 1,874,112,284.95
  5. Step 5: Solve for x
    x = 1,874,112,284.95/48,272.68
  6. Step 6: Final answer
    x = 38,823.46

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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.