Home / 54,780.76-75,599.72-30,907.34

Finding the Fourth Proportional to 54,780.76, 75,599.72 and 30,907.34

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Solution

The fourth proportional to 54,780.76, 75,599.72 and 30,907.34 is: 42,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.76 : 75,599.72 = 30,907.34 : x
  2. Step 2: Convert to fraction form
    54,780.76/75,599.72 = 30,907.34/x
  3. Step 3: Cross multiply
    54,780.76x = 75,599.72 × 30,907.34
  4. Step 4: Simplify right side
    54,780.76x = 2,336,586,249.94
  5. Step 5: Solve for x
    x = 2,336,586,249.94/54,780.76
  6. Step 6: Final answer
    x = 42,653.41

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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.