Home / 48,322.12-66,675-28,182.28

Finding the Fourth Proportional to 48,322.12, 66,675 and 28,182.28

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Solution

The fourth proportional to 48,322.12, 66,675 and 28,182.28 is: 38,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,322.12 : 66,675 = 28,182.28 : x
  2. Step 2: Convert to fraction form
    48,322.12/66,675 = 28,182.28/x
  3. Step 3: Cross multiply
    48,322.12x = 66,675 × 28,182.28
  4. Step 4: Simplify right side
    48,322.12x = 1,879,053,519
  5. Step 5: Solve for x
    x = 1,879,053,519/48,322.12
  6. Step 6: Final answer
    x = 38,885.99

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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.