Home / 31,668.39-47,523.78-16,887.51

Finding the Fourth Proportional to 31,668.39, 47,523.78 and 16,887.51

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Solution

The fourth proportional to 31,668.39, 47,523.78 and 16,887.51 is: 25,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.39 : 47,523.78 = 16,887.51 : x
  2. Step 2: Convert to fraction form
    31,668.39/47,523.78 = 16,887.51/x
  3. Step 3: Cross multiply
    31,668.39x = 47,523.78 × 16,887.51
  4. Step 4: Simplify right side
    31,668.39x = 802,558,309.99
  5. Step 5: Solve for x
    x = 802,558,309.99/31,668.39
  6. Step 6: Final answer
    x = 25,342.57

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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.