Home / 31,564.27-47,313.60-12,836.26

Finding the Fourth Proportional to 31,564.27, 47,313.60 and 12,836.26

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Solution

The fourth proportional to 31,564.27, 47,313.60 and 12,836.26 is: 19,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.27 : 47,313.60 = 12,836.26 : x
  2. Step 2: Convert to fraction form
    31,564.27/47,313.60 = 12,836.26/x
  3. Step 3: Cross multiply
    31,564.27x = 47,313.60 × 12,836.26
  4. Step 4: Simplify right side
    31,564.27x = 607,329,671.14
  5. Step 5: Solve for x
    x = 607,329,671.14/31,564.27
  6. Step 6: Final answer
    x = 19,241.05

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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.