Home / 54,671.58-75,445.70-30,797.78

Finding the Fourth Proportional to 54,671.58, 75,445.70 and 30,797.78

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Solution

The fourth proportional to 54,671.58, 75,445.70 and 30,797.78 is: 42,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,671.58 : 75,445.70 = 30,797.78 : x
  2. Step 2: Convert to fraction form
    54,671.58/75,445.70 = 30,797.78/x
  3. Step 3: Cross multiply
    54,671.58x = 75,445.70 × 30,797.78
  4. Step 4: Simplify right side
    54,671.58x = 2,323,559,539.33
  5. Step 5: Solve for x
    x = 2,323,559,539.33/54,671.58
  6. Step 6: Final answer
    x = 42,500.32

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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.