Home / 31,455.76-47,176.38-14,827.36

Finding the Fourth Proportional to 31,455.76, 47,176.38 and 14,827.36

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Solution

The fourth proportional to 31,455.76, 47,176.38 and 14,827.36 is: 22,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.76 : 47,176.38 = 14,827.36 : x
  2. Step 2: Convert to fraction form
    31,455.76/47,176.38 = 14,827.36/x
  3. Step 3: Cross multiply
    31,455.76x = 47,176.38 × 14,827.36
  4. Step 4: Simplify right side
    31,455.76x = 699,501,169.76
  5. Step 5: Solve for x
    x = 699,501,169.76/31,455.76
  6. Step 6: Final answer
    x = 22,237.62

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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.