Home / 31,605.40-47,429.70-22,847.80

Finding the Fourth Proportional to 31,605.40, 47,429.70 and 22,847.80

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Solution

The fourth proportional to 31,605.40, 47,429.70 and 22,847.80 is: 34,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.40 : 47,429.70 = 22,847.80 : x
  2. Step 2: Convert to fraction form
    31,605.40/47,429.70 = 22,847.80/x
  3. Step 3: Cross multiply
    31,605.40x = 47,429.70 × 22,847.80
  4. Step 4: Simplify right side
    31,605.40x = 1,083,664,299.66
  5. Step 5: Solve for x
    x = 1,083,664,299.66/31,605.40
  6. Step 6: Final answer
    x = 34,287.31

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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.