Home / 31,639.91-47,460.26-9,448.20

Finding the Fourth Proportional to 31,639.91, 47,460.26 and 9,448.20

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Solution

The fourth proportional to 31,639.91, 47,460.26 and 9,448.20 is: 14,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.91 : 47,460.26 = 9,448.20 : x
  2. Step 2: Convert to fraction form
    31,639.91/47,460.26 = 9,448.20/x
  3. Step 3: Cross multiply
    31,639.91x = 47,460.26 × 9,448.20
  4. Step 4: Simplify right side
    31,639.91x = 448,414,052.15
  5. Step 5: Solve for x
    x = 448,414,052.15/31,639.91
  6. Step 6: Final answer
    x = 14,172.42

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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.