Home / 54,585.92-75,328.24-30,712.76

Finding the Fourth Proportional to 54,585.92, 75,328.24 and 30,712.76

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Solution

The fourth proportional to 54,585.92, 75,328.24 and 30,712.76 is: 42,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,585.92 : 75,328.24 = 30,712.76 : x
  2. Step 2: Convert to fraction form
    54,585.92/75,328.24 = 30,712.76/x
  3. Step 3: Cross multiply
    54,585.92x = 75,328.24 × 30,712.76
  4. Step 4: Simplify right side
    54,585.92x = 2,313,538,156.34
  5. Step 5: Solve for x
    x = 2,313,538,156.34/54,585.92
  6. Step 6: Final answer
    x = 42,383.42

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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.