Home / 31,352.05-47,022.66-8,864.32

Finding the Fourth Proportional to 31,352.05, 47,022.66 and 8,864.32

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Solution

The fourth proportional to 31,352.05, 47,022.66 and 8,864.32 is: 13,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.05 : 47,022.66 = 8,864.32 : x
  2. Step 2: Convert to fraction form
    31,352.05/47,022.66 = 8,864.32/x
  3. Step 3: Cross multiply
    31,352.05x = 47,022.66 × 8,864.32
  4. Step 4: Simplify right side
    31,352.05x = 416,823,905.49
  5. Step 5: Solve for x
    x = 416,823,905.49/31,352.05
  6. Step 6: Final answer
    x = 13,294.95

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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.