Home / 58,731.42-81,049.40-31,873.92

Finding the Fourth Proportional to 58,731.42, 81,049.40 and 31,873.92

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Solution

The fourth proportional to 58,731.42, 81,049.40 and 31,873.92 is: 43,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731.42 : 81,049.40 = 31,873.92 : x
  2. Step 2: Convert to fraction form
    58,731.42/81,049.40 = 31,873.92/x
  3. Step 3: Cross multiply
    58,731.42x = 81,049.40 × 31,873.92
  4. Step 4: Simplify right side
    58,731.42x = 2,583,361,817.02
  5. Step 5: Solve for x
    x = 2,583,361,817.02/58,731.42
  6. Step 6: Final answer
    x = 43,986.03

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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.