Home / 48,850.86-67,421.43-30,947.53

Finding the Fourth Proportional to 48,850.86, 67,421.43 and 30,947.53

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Solution

The fourth proportional to 48,850.86, 67,421.43 and 30,947.53 is: 42,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,850.86 : 67,421.43 = 30,947.53 : x
  2. Step 2: Convert to fraction form
    48,850.86/67,421.43 = 30,947.53/x
  3. Step 3: Cross multiply
    48,850.86x = 67,421.43 × 30,947.53
  4. Step 4: Simplify right side
    48,850.86x = 2,086,526,559.01
  5. Step 5: Solve for x
    x = 2,086,526,559.01/48,850.86
  6. Step 6: Final answer
    x = 42,712.18

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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.