Home / 57,051.62-78,725.18-31,553.94

Finding the Fourth Proportional to 57,051.62, 78,725.18 and 31,553.94

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Solution

The fourth proportional to 57,051.62, 78,725.18 and 31,553.94 is: 43,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,051.62 : 78,725.18 = 31,553.94 : x
  2. Step 2: Convert to fraction form
    57,051.62/78,725.18 = 31,553.94/x
  3. Step 3: Cross multiply
    57,051.62x = 78,725.18 × 31,553.94
  4. Step 4: Simplify right side
    57,051.62x = 2,484,089,138.58
  5. Step 5: Solve for x
    x = 2,484,089,138.58/57,051.62
  6. Step 6: Final answer
    x = 43,541.08

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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.