Home / 54,620.76-75,376.71-30,747.63

Finding the Fourth Proportional to 54,620.76, 75,376.71 and 30,747.63

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Solution

The fourth proportional to 54,620.76, 75,376.71 and 30,747.63 is: 42,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.76 : 75,376.71 = 30,747.63 : x
  2. Step 2: Convert to fraction form
    54,620.76/75,376.71 = 30,747.63/x
  3. Step 3: Cross multiply
    54,620.76x = 75,376.71 × 30,747.63
  4. Step 4: Simplify right side
    54,620.76x = 2,317,655,189.70
  5. Step 5: Solve for x
    x = 2,317,655,189.70/54,620.76
  6. Step 6: Final answer
    x = 42,431.76

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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.