Home / 31,519.36-43,516.97-19,598.91

Finding the Fourth Proportional to 31,519.36, 43,516.97 and 19,598.91

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Solution

The fourth proportional to 31,519.36, 43,516.97 and 19,598.91 is: 27,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.36 : 43,516.97 = 19,598.91 : x
  2. Step 2: Convert to fraction form
    31,519.36/43,516.97 = 19,598.91/x
  3. Step 3: Cross multiply
    31,519.36x = 43,516.97 × 19,598.91
  4. Step 4: Simplify right side
    31,519.36x = 852,885,178.50
  5. Step 5: Solve for x
    x = 852,885,178.50/31,519.36
  6. Step 6: Final answer
    x = 27,059.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.