Home / 31,668.06-47,538.90-18,529.86

Finding the Fourth Proportional to 31,668.06, 47,538.90 and 18,529.86

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Solution

The fourth proportional to 31,668.06, 47,538.90 and 18,529.86 is: 27,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.06 : 47,538.90 = 18,529.86 : x
  2. Step 2: Convert to fraction form
    31,668.06/47,538.90 = 18,529.86/x
  3. Step 3: Cross multiply
    31,668.06x = 47,538.90 × 18,529.86
  4. Step 4: Simplify right side
    31,668.06x = 880,889,161.55
  5. Step 5: Solve for x
    x = 880,889,161.55/31,668.06
  6. Step 6: Final answer
    x = 27,816.33

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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.