Home / 47,131.28-70,696.92-19,063.76

Finding the Fourth Proportional to 47,131.28, 70,696.92 and 19,063.76

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Solution

The fourth proportional to 47,131.28, 70,696.92 and 19,063.76 is: 28,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,131.28 : 70,696.92 = 19,063.76 : x
  2. Step 2: Convert to fraction form
    47,131.28/70,696.92 = 19,063.76/x
  3. Step 3: Cross multiply
    47,131.28x = 70,696.92 × 19,063.76
  4. Step 4: Simplify right side
    47,131.28x = 1,347,749,115.62
  5. Step 5: Solve for x
    x = 1,347,749,115.62/47,131.28
  6. Step 6: Final answer
    x = 28,595.64

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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.