Home / 57,089.04-85,540.07-30,406.71

Finding the Fourth Proportional to 57,089.04, 85,540.07 and 30,406.71

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Solution

The fourth proportional to 57,089.04, 85,540.07 and 30,406.71 is: 45,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.04 : 85,540.07 = 30,406.71 : x
  2. Step 2: Convert to fraction form
    57,089.04/85,540.07 = 30,406.71/x
  3. Step 3: Cross multiply
    57,089.04x = 85,540.07 × 30,406.71
  4. Step 4: Simplify right side
    57,089.04x = 2,600,991,949.84
  5. Step 5: Solve for x
    x = 2,600,991,949.84/57,089.04
  6. Step 6: Final answer
    x = 45,560.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.