Home / 31,630.14-43,649.58-19,057.32

Finding the Fourth Proportional to 31,630.14, 43,649.58 and 19,057.32

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Solution

The fourth proportional to 31,630.14, 43,649.58 and 19,057.32 is: 26,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630.14 : 43,649.58 = 19,057.32 : x
  2. Step 2: Convert to fraction form
    31,630.14/43,649.58 = 19,057.32/x
  3. Step 3: Cross multiply
    31,630.14x = 43,649.58 × 19,057.32
  4. Step 4: Simplify right side
    31,630.14x = 831,844,013.93
  5. Step 5: Solve for x
    x = 831,844,013.93/31,630.14
  6. Step 6: Final answer
    x = 26,299.09

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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.