Home / 48,808.62-67,356.09-30,884.94

Finding the Fourth Proportional to 48,808.62, 67,356.09 and 30,884.94

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Solution

The fourth proportional to 48,808.62, 67,356.09 and 30,884.94 is: 42,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808.62 : 67,356.09 = 30,884.94 : x
  2. Step 2: Convert to fraction form
    48,808.62/67,356.09 = 30,884.94/x
  3. Step 3: Cross multiply
    48,808.62x = 67,356.09 × 30,884.94
  4. Step 4: Simplify right side
    48,808.62x = 2,080,288,798.28
  5. Step 5: Solve for x
    x = 2,080,288,798.28/48,808.62
  6. Step 6: Final answer
    x = 42,621.34

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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.