Home / 47,121.11-70,680.69-15,533.07

Finding the Fourth Proportional to 47,121.11, 70,680.69 and 15,533.07

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Solution

The fourth proportional to 47,121.11, 70,680.69 and 15,533.07 is: 23,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.11 : 70,680.69 = 15,533.07 : x
  2. Step 2: Convert to fraction form
    47,121.11/70,680.69 = 15,533.07/x
  3. Step 3: Cross multiply
    47,121.11x = 70,680.69 × 15,533.07
  4. Step 4: Simplify right side
    47,121.11x = 1,097,888,105.42
  5. Step 5: Solve for x
    x = 1,097,888,105.42/47,121.11
  6. Step 6: Final answer
    x = 23,299.29

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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.