Home / 31,615.70-47,425.95-9,427.34

Finding the Fourth Proportional to 31,615.70, 47,425.95 and 9,427.34

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Solution

The fourth proportional to 31,615.70, 47,425.95 and 9,427.34 is: 14,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.70 : 47,425.95 = 9,427.34 : x
  2. Step 2: Convert to fraction form
    31,615.70/47,425.95 = 9,427.34/x
  3. Step 3: Cross multiply
    31,615.70x = 47,425.95 × 9,427.34
  4. Step 4: Simplify right side
    31,615.70x = 447,100,555.47
  5. Step 5: Solve for x
    x = 447,100,555.47/31,615.70
  6. Step 6: Final answer
    x = 14,141.73

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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.