Home / 34,990.32-48,284.82-19,880.88

Finding the Fourth Proportional to 34,990.32, 48,284.82 and 19,880.88

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Solution

The fourth proportional to 34,990.32, 48,284.82 and 19,880.88 is: 27,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.32 : 48,284.82 = 19,880.88 : x
  2. Step 2: Convert to fraction form
    34,990.32/48,284.82 = 19,880.88/x
  3. Step 3: Cross multiply
    34,990.32x = 48,284.82 × 19,880.88
  4. Step 4: Simplify right side
    34,990.32x = 959,944,712.24
  5. Step 5: Solve for x
    x = 959,944,712.24/34,990.32
  6. Step 6: Final answer
    x = 27,434.58

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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.