Home / 57,233.37-78,981.22-31,739.79

Finding the Fourth Proportional to 57,233.37, 78,981.22 and 31,739.79

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Solution

The fourth proportional to 57,233.37, 78,981.22 and 31,739.79 is: 43,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,233.37 : 78,981.22 = 31,739.79 : x
  2. Step 2: Convert to fraction form
    57,233.37/78,981.22 = 31,739.79/x
  3. Step 3: Cross multiply
    57,233.37x = 78,981.22 × 31,739.79
  4. Step 4: Simplify right side
    57,233.37x = 2,506,847,336.74
  5. Step 5: Solve for x
    x = 2,506,847,336.74/57,233.37
  6. Step 6: Final answer
    x = 43,800.45

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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.