Home / 31,992.48-47,995.20-11,217.60

Finding the Fourth Proportional to 31,992.48, 47,995.20 and 11,217.60

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Solution

The fourth proportional to 31,992.48, 47,995.20 and 11,217.60 is: 16,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.48 : 47,995.20 = 11,217.60 : x
  2. Step 2: Convert to fraction form
    31,992.48/47,995.20 = 11,217.60/x
  3. Step 3: Cross multiply
    31,992.48x = 47,995.20 × 11,217.60
  4. Step 4: Simplify right side
    31,992.48x = 538,390,955.52
  5. Step 5: Solve for x
    x = 538,390,955.52/31,992.48
  6. Step 6: Final answer
    x = 16,828.67

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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.