Home / 48,447.96-66,804.12-31,429.68

Finding the Fourth Proportional to 48,447.96, 66,804.12 and 31,429.68

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Solution

The fourth proportional to 48,447.96, 66,804.12 and 31,429.68 is: 43,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.96 : 66,804.12 = 31,429.68 : x
  2. Step 2: Convert to fraction form
    48,447.96/66,804.12 = 31,429.68/x
  3. Step 3: Cross multiply
    48,447.96x = 66,804.12 × 31,429.68
  4. Step 4: Simplify right side
    48,447.96x = 2,099,632,114.28
  5. Step 5: Solve for x
    x = 2,099,632,114.28/48,447.96
  6. Step 6: Final answer
    x = 43,337.88

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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.