Home / 31,810.60-47,721.30-9,623.80

Finding the Fourth Proportional to 31,810.60, 47,721.30 and 9,623.80

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Solution

The fourth proportional to 31,810.60, 47,721.30 and 9,623.80 is: 14,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.60 : 47,721.30 = 9,623.80 : x
  2. Step 2: Convert to fraction form
    31,810.60/47,721.30 = 9,623.80/x
  3. Step 3: Cross multiply
    31,810.60x = 47,721.30 × 9,623.80
  4. Step 4: Simplify right side
    31,810.60x = 459,260,246.94
  5. Step 5: Solve for x
    x = 459,260,246.94/31,810.60
  6. Step 6: Final answer
    x = 14,437.33

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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.