Home / 31,855.02-47,766.14-14,309.80

Finding the Fourth Proportional to 31,855.02, 47,766.14 and 14,309.80

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Solution

The fourth proportional to 31,855.02, 47,766.14 and 14,309.80 is: 21,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,855.02 : 47,766.14 = 14,309.80 : x
  2. Step 2: Convert to fraction form
    31,855.02/47,766.14 = 14,309.80/x
  3. Step 3: Cross multiply
    31,855.02x = 47,766.14 × 14,309.80
  4. Step 4: Simplify right side
    31,855.02x = 683,523,910.17
  5. Step 5: Solve for x
    x = 683,523,910.17/31,855.02
  6. Step 6: Final answer
    x = 21,457.34

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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.