Home / 54,864.71-75,712.39-30,666.24

Finding the Fourth Proportional to 54,864.71, 75,712.39 and 30,666.24

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Solution

The fourth proportional to 54,864.71, 75,712.39 and 30,666.24 is: 42,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.71 : 75,712.39 = 30,666.24 : x
  2. Step 2: Convert to fraction form
    54,864.71/75,712.39 = 30,666.24/x
  3. Step 3: Cross multiply
    54,864.71x = 75,712.39 × 30,666.24
  4. Step 4: Simplify right side
    54,864.71x = 2,321,814,246.05
  5. Step 5: Solve for x
    x = 2,321,814,246.05/54,864.71
  6. Step 6: Final answer
    x = 42,318.90

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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.