Home / 31,345.10-47,019.21-10,283.27

Finding the Fourth Proportional to 31,345.10, 47,019.21 and 10,283.27

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Solution

The fourth proportional to 31,345.10, 47,019.21 and 10,283.27 is: 15,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.10 : 47,019.21 = 10,283.27 : x
  2. Step 2: Convert to fraction form
    31,345.10/47,019.21 = 10,283.27/x
  3. Step 3: Cross multiply
    31,345.10x = 47,019.21 × 10,283.27
  4. Step 4: Simplify right side
    31,345.10x = 483,511,231.62
  5. Step 5: Solve for x
    x = 483,511,231.62/31,345.10
  6. Step 6: Final answer
    x = 15,425.42

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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.