Home / 31,424.85-47,152.61-14,786.54

Finding the Fourth Proportional to 31,424.85, 47,152.61 and 14,786.54

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Solution

The fourth proportional to 31,424.85, 47,152.61 and 14,786.54 is: 22,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.85 : 47,152.61 = 14,786.54 : x
  2. Step 2: Convert to fraction form
    31,424.85/47,152.61 = 14,786.54/x
  3. Step 3: Cross multiply
    31,424.85x = 47,152.61 × 14,786.54
  4. Step 4: Simplify right side
    31,424.85x = 697,223,953.87
  5. Step 5: Solve for x
    x = 697,223,953.87/31,424.85
  6. Step 6: Final answer
    x = 22,187.03

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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.