Home / 31,668.12-47,523.15-16,887.69

Finding the Fourth Proportional to 31,668.12, 47,523.15 and 16,887.69

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Solution

The fourth proportional to 31,668.12, 47,523.15 and 16,887.69 is: 25,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.12 : 47,523.15 = 16,887.69 : x
  2. Step 2: Convert to fraction form
    31,668.12/47,523.15 = 16,887.69/x
  3. Step 3: Cross multiply
    31,668.12x = 47,523.15 × 16,887.69
  4. Step 4: Simplify right side
    31,668.12x = 802,556,225.02
  5. Step 5: Solve for x
    x = 802,556,225.02/31,668.12
  6. Step 6: Final answer
    x = 25,342.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.