Home / 31,424.40-47,151.96-14,786.09

Finding the Fourth Proportional to 31,424.40, 47,151.96 and 14,786.09

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Solution

The fourth proportional to 31,424.40, 47,151.96 and 14,786.09 is: 22,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.40 : 47,151.96 = 14,786.09 : x
  2. Step 2: Convert to fraction form
    31,424.40/47,151.96 = 14,786.09/x
  3. Step 3: Cross multiply
    31,424.40x = 47,151.96 × 14,786.09
  4. Step 4: Simplify right side
    31,424.40x = 697,192,888.48
  5. Step 5: Solve for x
    x = 697,192,888.48/31,424.40
  6. Step 6: Final answer
    x = 22,186.35

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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.