Home / 54,572.40-75,305.70-30,694.32

Finding the Fourth Proportional to 54,572.40, 75,305.70 and 30,694.32

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Solution

The fourth proportional to 54,572.40, 75,305.70 and 30,694.32 is: 42,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.40 : 75,305.70 = 30,694.32 : x
  2. Step 2: Convert to fraction form
    54,572.40/75,305.70 = 30,694.32/x
  3. Step 3: Cross multiply
    54,572.40x = 75,305.70 × 30,694.32
  4. Step 4: Simplify right side
    54,572.40x = 2,311,457,253.62
  5. Step 5: Solve for x
    x = 2,311,457,253.62/54,572.40
  6. Step 6: Final answer
    x = 42,355.79

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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.