Home / 47,342.88-71,038.08-31,558.56

Finding the Fourth Proportional to 47,342.88, 71,038.08 and 31,558.56

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Solution

The fourth proportional to 47,342.88, 71,038.08 and 31,558.56 is: 47,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.88 : 71,038.08 = 31,558.56 : x
  2. Step 2: Convert to fraction form
    47,342.88/71,038.08 = 31,558.56/x
  3. Step 3: Cross multiply
    47,342.88x = 71,038.08 × 31,558.56
  4. Step 4: Simplify right side
    47,342.88x = 2,241,859,509.96
  5. Step 5: Solve for x
    x = 2,241,859,509.96/47,342.88
  6. Step 6: Final answer
    x = 47,353.68

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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.