Home / 54,586.60-75,324.12-30,712.76

Finding the Fourth Proportional to 54,586.60, 75,324.12 and 30,712.76

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Solution

The fourth proportional to 54,586.60, 75,324.12 and 30,712.76 is: 42,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,586.60 : 75,324.12 = 30,712.76 : x
  2. Step 2: Convert to fraction form
    54,586.60/75,324.12 = 30,712.76/x
  3. Step 3: Cross multiply
    54,586.60x = 75,324.12 × 30,712.76
  4. Step 4: Simplify right side
    54,586.60x = 2,313,411,619.77
  5. Step 5: Solve for x
    x = 2,313,411,619.77/54,586.60
  6. Step 6: Final answer
    x = 42,380.58

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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.