Home / 57,403.21-86,089.20-36,311.59

Finding the Fourth Proportional to 57,403.21, 86,089.20 and 36,311.59

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Solution

The fourth proportional to 57,403.21, 86,089.20 and 36,311.59 is: 54,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.21 : 86,089.20 = 36,311.59 : x
  2. Step 2: Convert to fraction form
    57,403.21/86,089.20 = 36,311.59/x
  3. Step 3: Cross multiply
    57,403.21x = 86,089.20 × 36,311.59
  4. Step 4: Simplify right side
    57,403.21x = 3,126,035,733.83
  5. Step 5: Solve for x
    x = 3,126,035,733.83/57,403.21
  6. Step 6: Final answer
    x = 54,457.51

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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.