Home / 54,619.84-75,375.54-30,746.88

Finding the Fourth Proportional to 54,619.84, 75,375.54 and 30,746.88

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Solution

The fourth proportional to 54,619.84, 75,375.54 and 30,746.88 is: 42,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.84 : 75,375.54 = 30,746.88 : x
  2. Step 2: Convert to fraction form
    54,619.84/75,375.54 = 30,746.88/x
  3. Step 3: Cross multiply
    54,619.84x = 75,375.54 × 30,746.88
  4. Step 4: Simplify right side
    54,619.84x = 2,317,562,683.32
  5. Step 5: Solve for x
    x = 2,317,562,683.32/54,619.84
  6. Step 6: Final answer
    x = 42,430.78

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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.