Home / 48,809.36-67,321.32-30,907.28

Finding the Fourth Proportional to 48,809.36, 67,321.32 and 30,907.28

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Solution

The fourth proportional to 48,809.36, 67,321.32 and 30,907.28 is: 42,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.36 : 67,321.32 = 30,907.28 : x
  2. Step 2: Convert to fraction form
    48,809.36/67,321.32 = 30,907.28/x
  3. Step 3: Cross multiply
    48,809.36x = 67,321.32 × 30,907.28
  4. Step 4: Simplify right side
    48,809.36x = 2,080,718,887.21
  5. Step 5: Solve for x
    x = 2,080,718,887.21/48,809.36
  6. Step 6: Final answer
    x = 42,629.51

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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.