Home / 47,007.09-70,502.99-13,719.33

Finding the Fourth Proportional to 47,007.09, 70,502.99 and 13,719.33

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Solution

The fourth proportional to 47,007.09, 70,502.99 and 13,719.33 is: 20,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,007.09 : 70,502.99 = 13,719.33 : x
  2. Step 2: Convert to fraction form
    47,007.09/70,502.99 = 13,719.33/x
  3. Step 3: Cross multiply
    47,007.09x = 70,502.99 × 13,719.33
  4. Step 4: Simplify right side
    47,007.09x = 967,253,717.20
  5. Step 5: Solve for x
    x = 967,253,717.20/47,007.09
  6. Step 6: Final answer
    x = 20,576.76

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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.