Home / 31,359.88-47,050.62-15,764.68

Finding the Fourth Proportional to 31,359.88, 47,050.62 and 15,764.68

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Solution

The fourth proportional to 31,359.88, 47,050.62 and 15,764.68 is: 23,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.88 : 47,050.62 = 15,764.68 : x
  2. Step 2: Convert to fraction form
    31,359.88/47,050.62 = 15,764.68/x
  3. Step 3: Cross multiply
    31,359.88x = 47,050.62 × 15,764.68
  4. Step 4: Simplify right side
    31,359.88x = 741,737,968.10
  5. Step 5: Solve for x
    x = 741,737,968.10/31,359.88
  6. Step 6: Final answer
    x = 23,652.45

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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.