Home / 31,363.88-47,056.62-15,768.68

Finding the Fourth Proportional to 31,363.88, 47,056.62 and 15,768.68

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Solution

The fourth proportional to 31,363.88, 47,056.62 and 15,768.68 is: 23,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.88 : 47,056.62 = 15,768.68 : x
  2. Step 2: Convert to fraction form
    31,363.88/47,056.62 = 15,768.68/x
  3. Step 3: Cross multiply
    31,363.88x = 47,056.62 × 15,768.68
  4. Step 4: Simplify right side
    31,363.88x = 742,020,782.66
  5. Step 5: Solve for x
    x = 742,020,782.66/31,363.88
  6. Step 6: Final answer
    x = 23,658.45

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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.