Home / 31,778.58-47,668.20-9,592.14

Finding the Fourth Proportional to 31,778.58, 47,668.20 and 9,592.14

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Solution

The fourth proportional to 31,778.58, 47,668.20 and 9,592.14 is: 14,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.58 : 47,668.20 = 9,592.14 : x
  2. Step 2: Convert to fraction form
    31,778.58/47,668.20 = 9,592.14/x
  3. Step 3: Cross multiply
    31,778.58x = 47,668.20 × 9,592.14
  4. Step 4: Simplify right side
    31,778.58x = 457,240,047.95
  5. Step 5: Solve for x
    x = 457,240,047.95/31,778.58
  6. Step 6: Final answer
    x = 14,388.31

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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.