Home / 31,813.54-47,703.95-16,828.71

Finding the Fourth Proportional to 31,813.54, 47,703.95 and 16,828.71

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Solution

The fourth proportional to 31,813.54, 47,703.95 and 16,828.71 is: 25,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.54 : 47,703.95 = 16,828.71 : x
  2. Step 2: Convert to fraction form
    31,813.54/47,703.95 = 16,828.71/x
  3. Step 3: Cross multiply
    31,813.54x = 47,703.95 × 16,828.71
  4. Step 4: Simplify right side
    31,813.54x = 802,796,103.48
  5. Step 5: Solve for x
    x = 802,796,103.48/31,813.54
  6. Step 6: Final answer
    x = 25,234.41

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1.5x scale

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.