Home / 54,682.40-75,468.88-30,813.68

Finding the Fourth Proportional to 54,682.40, 75,468.88 and 30,813.68

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Solution

The fourth proportional to 54,682.40, 75,468.88 and 30,813.68 is: 42,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.40 : 75,468.88 = 30,813.68 : x
  2. Step 2: Convert to fraction form
    54,682.40/75,468.88 = 30,813.68/x
  3. Step 3: Cross multiply
    54,682.40x = 75,468.88 × 30,813.68
  4. Step 4: Simplify right side
    54,682.40x = 2,325,473,918.28
  5. Step 5: Solve for x
    x = 2,325,473,918.28/54,682.40
  6. Step 6: Final answer
    x = 42,526.92

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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.