Home / 57,230.36-78,975.70-31,737.77

Finding the Fourth Proportional to 57,230.36, 78,975.70 and 31,737.77

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Solution

The fourth proportional to 57,230.36, 78,975.70 and 31,737.77 is: 43,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.36 : 78,975.70 = 31,737.77 : x
  2. Step 2: Convert to fraction form
    57,230.36/78,975.70 = 31,737.77/x
  3. Step 3: Cross multiply
    57,230.36x = 78,975.70 × 31,737.77
  4. Step 4: Simplify right side
    57,230.36x = 2,506,512,127.97
  5. Step 5: Solve for x
    x = 2,506,512,127.97/57,230.36
  6. Step 6: Final answer
    x = 43,796.90

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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.