Home / 31,460.36-47,198.71-11,739.06

Finding the Fourth Proportional to 31,460.36, 47,198.71 and 11,739.06

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Solution

The fourth proportional to 31,460.36, 47,198.71 and 11,739.06 is: 17,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.36 : 47,198.71 = 11,739.06 : x
  2. Step 2: Convert to fraction form
    31,460.36/47,198.71 = 11,739.06/x
  3. Step 3: Cross multiply
    31,460.36x = 47,198.71 × 11,739.06
  4. Step 4: Simplify right side
    31,460.36x = 554,068,547.91
  5. Step 5: Solve for x
    x = 554,068,547.91/31,460.36
  6. Step 6: Final answer
    x = 17,611.64

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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.